Zoology

Phylum Nemathelminthes General Characteristics of Nemathelminthes Phylum Nemathelminthes, also known as Nematoda or roundworms, exhibit several general characteristics that define their biology and classification. Here are some key characteristics of nematodes: Structure of Nemathelminthes Nemathelminthes, also known as roundworms or nematodes, exhibit a unique structure that distinguishes them within the animal kingdom. Here are the … Read more

What is Kingdom Protista? Definition of Protista Protista: A diverse group of eukaryotic microorganisms, not belonging to animals, plants, or fungi Protists The scientific name of protists Amoeba Amoeba proteus Paramecium Paramecium pentaurelia Stentor Stentor coeruleus Euglena Euglena gracilis Volvox Colonial volvox Slime mold Physarum polycephalum How do they Look? – Protista Under Microscope History … Read more

What is Phytoplankton? Definition of Phytoplankton Phytoplankton are microscopic, photosynthetic organisms found in aquatic environments that serve as the foundation of marine and freshwater food chains and contribute significantly to global oxygen production and carbon cycling. Characteristics Features of Phytoplankton Phytoplankton are a diverse group of microscopic photosynthetic organisms that inhabit aquatic ecosystems, and they … Read more

What is Dinoflagellate? Definition of Dinoflagellate Dinoflagellates are single-celled eukaryotic microorganisms, primarily found in marine environments, characterized by two whip-like flagella that facilitate movement. Many species are photosynthetic, and they play vital roles in aquatic ecosystems, ranging from primary producers to causing phenomena like bioluminescence and red tides. Dinoflagellates Classification Dinoflagellates are a diverse group … Read more

Cnidaria comes from the Greek word cnidos, which means stinging thread. The existence of cnidae characterises these creatures. Cnidaria is a phylum within the Kingdom Animalia that contains 10,000 known species, including corals, sea anemones, jellyfishes, and hydras. These organisms are found in both marine and freshwater environments. It is an additional ancient group with … Read more

Sea fur is an alternative term for Obelia. Obelia has a delicate, semitransparent, pale to light-brown hydroid colony. It consists of stems with vertical branches called hydrocauli and root-like branches called hydrorhiza. In order to complete its life cycle, Obelia’s asexual and sexual generations alternate. The life cycle of Obelia regularly alternates between hydroid and … Read more

What is Protista? – Protista Definition Different Locomotion organs of Protista Protists are a heterogeneous group of unicellular eukaryotic creatures with a vast array of movement techniques. Certain protists utilise flagella, cilia, or pseudopodia for locomotion. 1. Flagella Some protists have long, whip-like appendages called flagella that protrude from their surface. They are utilised for … Read more

What is Polymorphism in cnidarians? The majority of polyps are sessile, whereas meduase types are motile. Nonetheless, there is a similarity between the two in their fundamental characteristics. Importance of Polymorphism Polymorphism is fundamentally a phenomena of labour division. Rather than assigning diverse functions to the components or organs of a single individual, distinct functions … Read more