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Phylum – Definition, Importance, Examples

What is Phylum?

  • In the realm of biology, a phylum, pronounced as /ˈfaɪləm/ (plural: phyla), is a fundamental level of taxonomic classification situated below the designation of a kingdom and above that of a class. In botanical contexts, the term ‘division’ has traditionally been employed in lieu of ‘phylum.’ It is important to note that the International Code of Nomenclature for algae, fungi, and plants accepts these terms as equivalent, thereby promoting a uniform nomenclature across the botanical and zoological sciences.
  • This hierarchical classification places the phylum as the third level in the taxonomic hierarchy, following the domain and kingdom. Organisms classified within a specific phylum share a constellation of defining characteristics that serve to distinguish them from organisms classified under distinct phyla.
  • The criteria used to group animals within a phylum have evolved over time, as advancements in scientific methodology have enabled a more precise understanding of the relationships among various animal groups. In modern phylogenetics, which is the study of evolutionary relationships, a range of morphological, genetic, and molecular traits are examined to elucidate the evolutionary links between different phyla.
  • The resulting hypotheses regarding phylum relationships are often graphically represented as cladograms, visual representations that showcase these evolutionary connections. The most parsimonious cladogram, the one with the fewest inferred evolutionary changes, is typically accepted as the most plausible representation of the relationships between different phyla.
  • Historically, plants, protists, and bacteria have also been organized into divisions, a term later replaced by phylum. Within the animal kingdom, there are approximately 35 recognized phyla, while the plant kingdom comprises roughly 12 phyla, and the fungal kingdom includes around 7 phyla.
  • The classification of bacteria, including the archaea, into phyla is somewhat less established due to the complexities of bacterial diversity and the ongoing refinement of bacterial taxonomy. The precise number of phyla within these domains remains subject to change as new evidence and analytical techniques emerge.
  • The advent of genetic testing, for instance, has unveiled genetic disparities within groups once considered monophyletic, which means having a common ancestor.
  • In cases where these groups are polyphyletic, meaning they do not share a recent common ancestor, the phylum may be subdivided. Furthermore, instances arise where two seemingly disparate phyla are discovered to be closely related, leading to their consolidation within a single phylum.
  • In the context of biology, the definition of a phylum is “a taxonomic rank above class and below kingdom.” These taxonomic ranks are upheld by International Codes of Nomenclature, which ensure their universal application to all living organisms, encompassing plant phyla, animal phyla, fungal phyla, protist phyla, and bacterial phyla. While some botanists prefer to employ the term “division” in place of “phylum,” both terms are deemed acceptable in accordance with the International Code for Plant Nomenclature.
  • The term “phylum” was first coined by Ernst Haeckel in 1866, deriving its origin from the Greek word “phylon,” signifying a distinct race or tribe characterized by specific features. The plural form of “phylum” is “phyla,” and it is crucial to note that the plural form “phylums” does not exist in scientific terminology.
  • In summary, a phylum in biology represents a vital level of classification that facilitates the systematic organization of diverse organisms based on shared characteristics. This classification system contributes significantly to the rational exploration of biological diversity and relationships among living organisms.

Definition of Phylum

A phylum is a high-level taxonomic rank in biology, ranking below kingdom and above class, used to categorize and group organisms with shared fundamental characteristics and evolutionary relationships.

Examples of Phylum

1. Phyla in Kingdom Monera

Within the taxonomic realm of Kingdom Monera, encompassing both Eubacteria and Archaea, the classification system delineates a significant diversity of phyla. While the 3-domain system of Carl Woese segregates Eubacteria and Archaea into distinct domains, Whittaker’s 5-kingdom system accommodates both domains within the same kingdom. Notably, Eubacteria consists of an extensive array of approximately 29 phyla, while Archaea comprises a more limited set of 5 phyla.

Among the well-recognized phyla within the Eubacteria domain are:

  1. Chlamydiae: This phylum includes obligate intracellular parasites, such as Chlamydia trachomatis, responsible for various human infections, including sexually transmitted diseases.
  2. Cyanobacteria: Often referred to as blue-green algae, Cyanobacteria are renowned for their ability to perform photosynthesis, contributing significantly to oxygen production and serving as primary producers in aquatic ecosystems.
  3. Actinobacteria: This phylum is characterized by its high G+C content in its DNA and includes a multitude of diverse bacteria, including the genus Streptomyces, which produces many antibiotics.
  4. Firmicutes: Firmicutes encompasses a broad range of bacteria, including Bacillus and Clostridium species. These bacteria exhibit diverse metabolic capabilities and play pivotal roles in various ecological niches.
  5. Spirochetes: Spirochetes are known for their distinctive spiral-shaped morphology. Notable members of this phylum include Treponema pallidum, the causative agent of syphilis, and Borrelia burgdorferi, responsible for Lyme disease.

These phyla within Eubacteria represent a fraction of the extensive bacterial diversity found within Kingdom Monera. The Kingdom Monera also harbors the Archaea domain, which, while less numerous in terms of phyla, exhibits unique and often extreme physiological adaptations. The comprehension and exploration of these diverse phyla are pivotal in advancing our understanding of the microbial world and its profound impact on ecology, health, and biotechnology.

2. Phyla in Kingdom Protista

Within the taxonomic framework of Kingdom Protista, it is essential to acknowledge that this classification represents a polyphyletic taxon, characterized by a complex and often unstable phylogenetic position. Kingdom Protista encompasses a diverse array of eukaryotic microorganisms, with approximately over 15 recognized phyla. Among these phyla are:

  1. Amoebozoa: Members of the Amoebozoa phylum, such as Amoeba and Dictyostelium, are characterized by their amoeboid movement and the absence of flagella. They exhibit diverse ecological roles, including free-living and parasitic lifestyles.
  2. Ciliophora: Ciliophora includes ciliates, such as Paramecium and Stentor, known for their cilia-covered surfaces that facilitate locomotion and feeding. They are primarily aquatic organisms with remarkable cell complexity.
  3. Euglenozoa: Previously placed under the phylum Thallophyta in Kingdom Plantae, Euglenozoa comprises protists like Euglena. These organisms are typically characterized by the presence of flagella and can be photosynthetic or heterotrophic.
  4. Oomycota: Historically grouped within Kingdom Fungi, Oomycota, often referred to as water molds, represent a distinctive group of protists. Notable members include Phytophthora infestans, responsible for causing the Irish Potato Famine, and Saprolegnia, which affects aquatic organisms.

It is important to note that the classification of Kingdom Protista is inherently challenging due to its polyphyletic nature. The organisms within this kingdom exhibit a wide spectrum of biological diversity, and their precise evolutionary relationships continue to be a subject of ongoing research and debate. Advances in molecular biology and genetic analysis have provided valuable insights into the phylogenetic positions of various protist groups, aiding in the refinement of their taxonomic classifications. Consequently, the phyla within Kingdom Protista exemplify the complex nature of microbial diversity and the dynamic field of protistology.

3. Phyla in Kingdom Fungi

Within the taxonomic realm of Kingdom Fungi, a diverse array of fungal organisms is systematically classified into distinct phyla. These phyla represent pivotal branches of fungal diversity, each characterized by unique morphological, reproductive, and ecological features. In total, Kingdom Fungi comprises eight major phyla:

  1. Ascomycota: Ascomycota, often referred to as sac fungi, are recognized for their characteristic ascus, a sac-like structure that houses sexual spores known as ascospores. Prominent members of this phylum include yeasts, truffles, and the fungus responsible for producing penicillin, Penicillium chrysogenum.
  2. Basidiomycota: Basidiomycota, or club fungi, are distinguished by the presence of club-shaped reproductive structures called basidia. This phylum encompasses a wide range of fungi, including mushrooms, smuts, and rusts, with many species serving as decomposers and forming mycorrhizal associations with plants.
  3. Blastocladiomycota: The Blastocladiomycota phylum comprises a group of aquatic fungi, some of which are parasitic on algae and other water-dwelling organisms. They reproduce asexually by forming zoospores.
  4. Chytridiomycota: Chytridiomycota is an ancient fungal phylum characterized by the production of flagellated spores known as zoospores. Some chytrids are responsible for causing diseases in amphibians, while others are saprophytic or parasitic.
  5. Glomeromycota: Glomeromycota are arbuscular mycorrhizal fungi that form mutualistic associations with the roots of most terrestrial plants, aiding in nutrient uptake. These fungi play a critical role in terrestrial ecosystems.
  6. Microsporidia: Microsporidia are intracellular parasitic fungi, often considered as unicellular due to their simplified morphology. They are known for infecting a wide range of host organisms, including humans, causing various diseases.
  7. Neocallimastigomycota: Neocallimastigomycota is a phylum of anaerobic fungi primarily found in the digestive tracts of herbivorous animals, where they assist in the digestion of plant material. Their unique lifestyle has attracted interest in biofuel production.
  8. Zygomycota: Zygomycota fungi reproduce through the formation of thick-walled zygospores, typically resulting from the fusion of specialized sexual structures. This phylum includes bread molds and mycorrhizal fungi like Glomus.

These eight phyla collectively encompass the fungal kingdom, showcasing the remarkable adaptability and diversity of fungi in various ecosystems. Fungi play crucial roles as decomposers, pathogens, mutualists, and sources of valuable compounds, making their study vital for understanding ecological and biotechnological processes. Advances in molecular biology and genomics continue to deepen our knowledge of fungal biology, shedding light on their evolutionary relationships and functional roles in the natural world.

4. Phyla in Kingdom Plantae

In the systematic classification of the plant kingdom, the term “phylum” is often used interchangeably with “division,” a nomenclature that has historical roots and is widely accepted within the field of botany and related studies. Both terms, phylum and division, are acknowledged and embraced by the International Code of Nomenclature (ICN), contributing to a coherent and consistent botanical taxonomy. The concept of divisions, introduced by August W. Eichler in 1883, continues to hold significant relevance in the study of plants, fungi, and algae.

Eichler’s pioneering work in plant classification led to the division of the plant kingdom into five major phyla, or divisions, each characterized by distinct botanical features and evolutionary relationships. These five phyla, along with their respective subdivisions, are as follows:

  1. Thallophyta (Charophyta, Chlorophyta, Glaucophyta, Rhodophyta): Thallophyta represents a diverse group of plants that lack true roots, stems, or leaves. This phylum encompasses green and red algae, along with some transitional forms like Charophyta and Glaucophyta.
  2. Bryophyta (Anthocerotophyta, Bryophyta, Marchantiophyta, Hepatophyta): Bryophytes, commonly known as mosses, liverworts, and hornworts, are non-vascular plants characterized by their simple structures and lack of specialized transport tissues.
  3. Pteridophyta (Polypodiophyta, Monilophyta, Lycopodiophyta, Lycophyta): Pteridophytes include ferns, horsetails, and clubmosses. They are notable for having vascular tissue (xylem and phloem) and producing spores as a means of reproduction.
  4. Gymnosperms (Cycadophyta, Ginkgophyta, Pinophyta, Coniferophyta, Gnetophyta): Gymnosperms comprise a diverse group of seed-producing plants that do not enclose their seeds within fruits. This phylum includes conifers, cycads, ginkgos, and some lesser-known taxa like gnetophytes.
  5. Angiosperms (Magnoliophyta): Angiosperms, or flowering plants, represent the most diverse and dominant group of land plants. They are characterized by the production of seeds enclosed within fruits, which enhances seed protection and dispersal. Angiosperms encompass an extensive array of plant families, from grasses to orchids to roses.

These five major phyla, with their respective divisions and classes, provide a systematic framework for categorizing and understanding the immense diversity of plant life on Earth. The study of plant taxonomy and phylogeny continues to evolve through molecular techniques and advances in genomic research, shedding light on the intricate relationships and evolutionary history of plant species within these phyla. This systematic approach not only aids in scientific understanding but also has practical implications in agriculture, ecology, and conservation efforts.

5. Phyla in Kingdom Animalia

Within the vast and diverse Kingdom Animalia, there exists a multitude of phyla, each representing a distinct branch of the animal evolutionary tree. These phyla serve as fundamental units of classification, aiding in the systematic organization of the animal kingdom. Below, we outline some of the prominent animal phyla within this kingdom:

  1. Porifera: Porifera, commonly known as sponges, exhibit a basic cellular-level structure with no distinct tissues or organs. They are primarily marine organisms characterized by the presence of collar cells, spicules, and spongin for support. Porifera are diploblastic, asymmetrical, acoelomate, and engage in heterotrophic filter feeding.
  2. Cnidaria: Cnidarians, including jellyfish, corals, and sea anemones, are recognized for their stinging cells and radial or biradial symmetry. They possess tissue-level organization, an incomplete gastrovascular cavity, and a nerve net for a nervous system. Cnidarians are diploblastic, acoelomate, and engage in asexual budding and external fertilization.
  3. Platyhelminthes: Flatworms, belonging to Platyhelminthes, exhibit a flattened body shape and are characterized by cephalization. They are triploblastic, bilateral, acoelomate, and often parasitic. Platyhelminthes have an incomplete gastrovascular cavity with a muscular pharynx and engage in asexual fission and regeneration.
  4. Mollusca: Mollusks, such as snails, clams, and octopuses, possess soft bodies, three major body parts (head, foot, visceral mass), and a radula for feeding. They are coelomate, exhibit complete digestion, and respire via gills or lungs. Mollusca have a well-developed circulatory system, including a heart, and engage in sexual reproduction.
  5. Arthropoda: Arthropods, which include insects, crustaceans, and arachnids, are characterized by their exoskeleton, segmented bodies, and jointed appendages. They undergo molting, exhibit metamorphosis, and have coelomate organization. Arthropoda display complete digestion, a diverse respiratory system, and an open circulatory system. They possess a well-developed nervous system and engage in sexual reproduction.

These are just a few examples among the many animal phyla found within Kingdom Animalia. Each phylum represents a unique evolutionary lineage with specific anatomical, physiological, and ecological characteristics. The classification of animals into phyla provides a structured framework for understanding and studying the immense diversity of life within the animal kingdom. This systematic approach not only aids in scientific comprehension but also contributes to the broader fields of ecology, biology, and conservation by facilitating the categorization and study of various species.

Advantages of Phylum

The concept of phylum, as a fundamental unit of biological classification, offers several advantages in the study of living organisms and their relationships. These advantages include:

  1. Organizing Diversity: Phyla provide a hierarchical framework for organizing and categorizing the immense diversity of life on Earth. They allow scientists to group species based on shared characteristics and evolutionary relationships, making the study of biological diversity more manageable.
  2. Standardized Terminology: Phyla serve as a standardized and universally recognized terminology in taxonomy and biology. This common language facilitates effective communication among scientists, educators, and researchers, ensuring clarity and consistency in discussions and publications.
  3. Efficient Reference: Phyla serve as efficient reference points in biological classification. Instead of referring to each species individually, scientists can use phyla to refer to entire groups of organisms with similar traits. This simplifies discussions and research efforts.
  4. Understanding Evolutionary History: Phyla provide insights into the evolutionary history of organisms. By classifying species into phyla, scientists can trace common ancestry and gain a better understanding of how different groups of organisms are related to one another.
  5. Taxonomic Hierarchy: Phyla are a critical part of the broader taxonomic hierarchy, which includes domains, kingdoms, phyla, classes, orders, families, genera, and species. This hierarchical structure allows for a systematic and comprehensive classification of all living organisms.
  6. Comparative Biology: Phyla facilitate comparative biology, enabling scientists to study the similarities and differences among species within the same phylum. Comparative studies are valuable for understanding evolutionary adaptations, genetic diversity, and ecological roles.
  7. Conservation Prioritization: In conservation biology, phyla-based classifications help prioritize conservation efforts. Identifying and protecting entire phyla or specific groups within them can be more effective in preserving biodiversity and ecosystems.
  8. Ecological Research: Phyla play a crucial role in ecological research by helping scientists analyze and predict ecological patterns and interactions. Researchers can study the distribution and diversity of phyla within ecosystems to understand their ecological roles.
  9. Model Organisms: Phyla-based classifications are essential for selecting model organisms in scientific research. Scientists often choose representative species from different phyla to study biological processes, genetics, and genomics.
  10. Education and Outreach: Phyla provide a simplified introduction to biological classification for students and the general public. They help convey the concept of biodiversity and showcase the variety of life forms on Earth, making them valuable tools in education and outreach.
  11. Practical Applications: In fields such as medicine, agriculture, and biotechnology, knowledge of the phyla to which organisms belong is essential for diagnostics, vaccine development, disease management, and genetic research.
  12. Scientific Understanding: Phyla-based classifications contribute to our overall understanding of the natural world. They help scientists identify patterns in biological diversity, study evolutionary relationships, and make predictions about ecological and evolutionary processes.

In conclusion, the advantages of phylum are multifaceted and extend to various fields of biology and taxonomy. They provide a structured and efficient way to classify and study organisms, enhancing our comprehension of the complex web of life on Earth.

Disadvantages of Phylum

While the concept of phylum serves as a valuable tool in biological classification, it also has certain limitations and disadvantages:

  1. Simplicity and Generalization: Phylum-based classifications simplify the diversity of life into broad categories, which may lead to overgeneralization. Some phyla contain highly diverse groups of organisms with varying characteristics, making it challenging to capture the full spectrum of biodiversity within a single phylum.
  2. Lack of Resolution: Phyla may not provide sufficient taxonomic resolution for detailed studies. When more precise distinctions are necessary, researchers often need to delve deeper into lower taxonomic ranks (e.g., classes, orders, families, genera, species).
  3. Polyphyletic Phyla: In some cases, phyla may be polyphyletic, meaning they include species that do not share a common ancestor. This can result from outdated classifications or insufficient understanding of evolutionary relationships, leading to inaccuracies in the classification system.
  4. Limited Insights: Phylum-based classifications do not always provide detailed insights into the evolutionary history of organisms. While they indicate broad relationships, they may not reflect the intricacies of genetic, molecular, or ecological connections among species.
  5. Intraspecific Variation: Phyla typically focus on interspecific differences, overlooking significant intraspecific variation. Organisms within the same phylum may exhibit substantial genetic, ecological, and physiological diversity that is not captured at the phylum level.
  6. Arbitrary Boundaries: The delineation of phyla is somewhat arbitrary and may vary among taxonomists. Different experts may classify certain organisms into different phyla, leading to inconsistencies in the system.
  7. Complex Transitional Forms: Evolutionary processes often produce transitional forms that do not neatly fit into established phyla. These organisms may pose classification challenges and blur the boundaries between phyla.
  8. Neglect of Microorganisms: Phylum-based classifications primarily focus on macroscopic organisms, potentially neglecting the immense diversity of microorganisms, such as bacteria, archaea, and protists, which play critical roles in ecosystems and have their own classification systems.
  9. Insufficient for Applied Fields: In fields like medicine, agriculture, and biotechnology, detailed information about species beyond the phylum level is often necessary. Phylum-based classifications may not provide the level of specificity required for practical applications.
  10. Limits to Adaptive Understanding: While phylum classifications offer insights into shared characteristics, they may not fully address the adaptative significance of particular traits or behaviors within a phylum.

In summary, while phylum-based classifications are valuable for organizing and communicating about the diversity of life, they have limitations in capturing the complexity and nuances of biological relationships. Scientists often complement phylum-level classifications with more detailed taxonomic ranks to achieve a comprehensive understanding of the natural world.

Importance of Phylum

The concept of phylum plays a pivotal role in the field of biology and taxonomy, serving as a fundamental and indispensable component of the hierarchical classification system. The importance of phylum lies in its ability to:

  1. Organize Biological Diversity: Phyla provide a structured framework for categorizing and organizing the immense diversity of life on Earth. They represent major branches of the tree of life, allowing scientists to group and study organisms with shared characteristics and evolutionary relationships.
  2. Facilitate Communication: Phyla serve as a common language for scientists, enabling them to communicate effectively about specific groups of organisms. This standardized terminology helps researchers convey information about species, facilitating collaboration and knowledge sharing.
  3. Identify Evolutionary Relationships: Phyla are used to identify and understand the evolutionary relationships among different species. By classifying organisms into phyla, scientists can trace common ancestry and better comprehend the patterns of evolutionary change over time.
  4. Inform Taxonomic Hierarchy: Phyla are a crucial component of the taxonomic hierarchy, providing an intermediate level of classification between kingdoms and classes. This hierarchy, which includes domains, kingdoms, phyla, classes, orders, families, genera, and species, allows for a systematic and comprehensive classification of all living organisms.
  5. Guide Conservation Efforts: Phyla-based classifications are essential for conservation biology. They help identify groups of organisms that share similar ecological roles, vulnerabilities, and conservation needs. Conservation strategies can then be developed to protect entire phyla or specific groups within them.
  6. Support Ecological Studies: Understanding the distribution and diversity of phyla within ecosystems is critical for ecological research. Phyla-based classifications help ecologists analyze and predict ecological patterns, such as species richness, trophic interactions, and ecosystem functioning.
  7. Advance Scientific Research: In fields such as genetics, genomics, and comparative biology, phyla provide a valuable framework for selecting model organisms and conducting research. Scientists can focus their studies on representative species from different phyla to gain insights into various biological processes.
  8. Promote Education and Outreach: Phyla are commonly used in educational settings to introduce students and the general public to the concept of biological classification and diversity. They provide a foundation for teaching and learning about the natural world.
  9. Inform Medical and Agricultural Research: Phylum-based classifications are relevant in fields like medicine and agriculture. Understanding the phyla to which disease-causing organisms belong can aid in the development of diagnostic tools, vaccines, and treatments. In agriculture, knowledge of phyla can help manage pests and diseases.
  10. Highlight Biodiversity Conservation: Phyla play a role in highlighting the importance of biodiversity conservation. By categorizing organisms into phyla, it becomes evident that preserving the diversity of life on Earth is essential not only for ecological stability but also for scientific understanding and human well-being.

In summary, the concept of phylum is indispensable in biology and taxonomy. It serves as a linchpin for organizing, studying, and communicating about the rich tapestry of life on our planet, making it an invaluable tool for scientists and educators alike.


Question 1: Which of the following is a primary characteristic used to classify organisms into different phyla?
A. Number of legs
B. Number of eyes
C. Type of reproductive organs
D. Shared evolutionary traits

Question 2: In the animal kingdom, how many primary phyla are typically recognized?
A. 5
B. 10
C. 20
D. Over 30

Question 3: Porifera is a phylum that includes which type of organisms?
A. Insects
B. Sponges
C. Birds
D. Fish

Question 4: Which of the following is a characteristic of the phylum Arthropoda?
A. Soft body
B. No jointed appendages
C. Exoskeleton
D. Radial symmetry

Question 5: The presence of a notochord is a defining feature of organisms in which phylum?
A. Chordata
B. Mollusca
C. Platyhelminthes
D. Cnidaria

Question 6: Which phylum includes organisms that are known for their stinging cells, such as jellyfish?
A. Porifera
B. Cnidaria
C. Mollusca
D. Platyhelminthes

Question 7: What is the primary characteristic of organisms classified in the phylum Chordata?
A. Jointed appendages
B. Exoskeleton
C. Presence of a notochord
D. Bilateral symmetry

Question 8: In the animal kingdom, which phylum includes organisms with segmented bodies and jointed appendages?
A. Porifera
B. Cnidaria
C. Arthropoda
D. Mollusca

Question 9: What type of symmetry is typically found in organisms of the phylum Echinodermata?
A. Radial symmetry
B. Bilateral symmetry
C. Asymmetry
D. Spherical symmetry

Question 10: Which phylum includes organisms that are often characterized by their soft-bodied mantles and may possess shells?
A. Porifera
B. Mollusca
C. Chordata
D. Arthropoda


What is a phylum in biological classification?

A phylum is a rank in the hierarchical classification of organisms, typically below kingdom and above class. It represents a major branch in the tree of life and groups together organisms that share certain fundamental characteristics.

How are organisms classified into different phyla?

Organisms are classified into different phyla based on shared evolutionary traits and characteristics. These traits can include structural features, genetic similarities, and common ancestry.

How many phyla are there in the animal kingdom?

There are over 30 recognized phyla in the animal kingdom, each representing a distinct evolutionary lineage of organisms.

Can organisms within the same phylum be very different from each other?

Yes, organisms within the same phylum can vary significantly in terms of size, shape, behavior, and other characteristics. Phyla represent broad categories, so diversity within a phylum is common.

Are phyla the highest level of classification in biology?

No, phyla are not the highest level of classification. Above phyla, there are higher ranks such as kingdom, domain, and superphylum, depending on the classification system used.

What is the purpose of classifying organisms into phyla?

Classifying organisms into phyla helps scientists organize and categorize the diversity of life on Earth, facilitating the study of evolutionary relationships and providing a common language for communication in biology.

Can two different species belong to the same phylum?

Yes, two different species can belong to the same phylum if they share certain key characteristics and evolutionary traits that place them within the same major group.

Are phyla exclusive to the animal kingdom?

No, the concept of phyla is not exclusive to the animal kingdom. Phyla are used in the classification of various kingdoms, including the plant kingdom, fungi kingdom, and others.

What is the relationship between phyla and classes in biological classification?

Phyla are higher in the hierarchy than classes. Phyla represent broader categories, while classes are more specific and typically group organisms with more closely related characteristics.

How does the concept of phylum contribute to our understanding of biodiversity?

Phyla provide a structured framework for understanding and studying the diverse range of organisms on Earth. They help scientists identify common ancestry and evolutionary patterns, contributing to our overall comprehension of biodiversity.

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Why do Laboratory incubators need CO2? What is Karyotyping? What are the scope of Microbiology? What is DNA Library? What is Simple Staining? What is Negative Staining? What is Western Blot? What are Transgenic Plants? Breakthrough Discovery: Crystal Cells in Fruit Flies Key to Oxygen Transport What is Northern Blotting?
Why do Laboratory incubators need CO2? What is Karyotyping? What are the scope of Microbiology? What is DNA Library? What is Simple Staining? What is Negative Staining? What is Western Blot? What are Transgenic Plants? Breakthrough Discovery: Crystal Cells in Fruit Flies Key to Oxygen Transport What is Northern Blotting?
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