Zoology

What is Evolution? Evolution refers to the process of change and development that occurs in living organisms over successive generations. It is the central concept in biology that explains the diversity of life on Earth and how species have come to exist in their present forms. Evolutionary theory explains how species evolve through the gradual … Read more

What is Gene Pool? Definition of Gene Pool The gene pool refers to the total collection of genes and alleles present within a population of a particular species. How Gene Pools works? Factors Affecting Gene Pool Several factors can influence the composition and dynamics of a gene pool. These factors include: These factors interact and can … Read more

What is Gene frequencies? Gene frequencies, also known as allele frequencies, refer to the relative proportions of different alleles at a particular locus or gene within a population. They represent the prevalence or abundance of specific alleles in relation to the total number of alleles in the gene pool. Gene frequencies are typically expressed as … Read more

The concept of species has been a subject of ongoing debate and controversy among taxonomists and biologists. The task of defining and recognizing species is crucial for understanding the diversity and organization of life on Earth. Over time, various species concepts have been proposed to tackle this challenge, each with its own merits and limitations. … Read more

What is Macroevolution? Definition of Macroevolution Macroevolution refers to the large-scale evolutionary changes that occur above the level of species, involving the emergence of new taxa (genera, families, orders, etc.) and the diversification of life forms over long periods of time. It encompasses the study of patterns and processes that shape the biodiversity and relationships … Read more

What is Extinction? What is Background extinction? Factors Involved in Background Extinction Background extinction, the natural rate of species loss throughout Earth’s history, is influenced by various factors that shape the delicate balance of ecosystems. While not as sensational as mass extinctions, background extinction occurs gradually as species struggle to adapt to environmental changes. Understanding … Read more

Origin and Evolution of Man Features of Man The evolution of humans has brought about several distinctive features that set them apart from other primates. These progressive features have contributed to the unique characteristics and capabilities of human beings. Let’s explore these features in more detail: One of the most remarkable features distinguishing humans from … Read more

What is Biological Clocks? Types of biological clocks There are several types of biological clocks found in living organisms. Here are some of the major types: It’s important to note that different organisms may have different types of biological clocks or variations of these clocks based on their specific ecological and physiological requirements. The study … Read more

Historical Overview Throughout human history, the origin of life has captivated our curiosity and inspired various creation myths involving supernatural forces. However, ancient Greek thinkers were the first to approach the topic from a scientific standpoint, proposing the concept of spontaneous generation as a mechanism for complex organic forms to arise from simpler inorganic matter. … Read more

What is Lamarck’s Theory? Postulates of Lamarckism’s Theory Lamarckism, formulated by Jean-Baptiste de Monet Lamarck, is based on four fundamental postulates that form the core of his evolutionary theory: Lamarck’s theory can be summarized by four main propositions: While Lamarckism has been largely superseded by modern evolutionary theory, it played a significant role in shaping … Read more