Editorial Team

What is Bird’s Migration? Why do Birds Migrate? – Reason for migration in birds Factors Influencing Migration Stimulus: What are Migratory Species? Migratory species are defined as wild animals, including birds and mammals, whose populations or specific geographic portions of their populations regularly and predictably cross national jurisdictional lines. Here are some key points about … Read more

What is Archaeopteryx? Discovery of Archaeopteryx Authenticity: Description of Archaeopteryx How Archaeopteryx is a connecting link Between Reptiles and Birds (Aves)? Archaeopteryx is considered a connecting link between reptiles and birds (Aves) due to its combination of characteristics from both groups. Here’s a description of how Archaeopteryx exhibits features that bridge the gap between reptiles … Read more

Mammals (Mammalia) Mammals Scientific Classification Characteristics Of Mammals Mammals possess several distinct characteristics that set them apart from other classes of animals: These characteristics collectively define mammals and contribute to their unique position within the animal kingdom. Classification Of Mammals Mammalia is further classified into many taxonomic ranks. Mammalia is divided into three broad categories, … Read more

What is Zoogeography? What is Zoogeographical realms? Zoogeographical realms, also known as biogeographical realms or ecozones, are large geographic regions characterized by distinctive combinations of animal species. These realms are defined based on similarities in the composition and distribution of animal taxa within their boundaries. Here are the main zoogeographical realms recognized by biogeographers: These … Read more

What is Zoogeographical Realms? Types of Zoogeographical Realms 1. Palaearctic Realm 2. Nearctic Realm 3. Neo-tropical Realm 4. Ethiopian Realm 5. Oriental Realm 6. Australian Realm FAQ

Continental Drift Theory Different Stages of Continental Drift Theory Different Forces Responsible for Continental Drift Note: It is important to mention that these factors were later found to be insufficient to fully explain continent drifting, which led to criticism of Wegener’s theory. Evidence Supporting Continental Drift Theory Evidence Supporting Continental Drift Theory: Criticisms of Continental … Read more

What is Urochordata? Characteristics of Urochordata The following characteristics distinguish Urochordata from the other subphylums of Chordata: Larval Characteristics During the larval stage of Urochordata, known as the ascidian tadpole larva, several characteristic features can be observed. These features contribute to their chordate nature and play important roles in their development and behavior. These larval … Read more

Classification of Cephalochordata Kingdom Animalia Superphylum Deuterostomia Phylum Chordata Subphylum Cephalochordata Characteristics of Cephalochordate Morphology of Cephalochordate Feeding of Cephalochordate Systematic Resume The systematic resume of the subphylum Cephalochordata provides an overview of the classification and distribution of the two genera within the family Brachiostomatidae. The subphylum Cephalochordata consists of a single family known as … Read more

Retrogressive Metamorphosis Retrogressive metamorphosis refers to a specific type of metamorphosis observed in ascidians or tunicates, which are a type of urochordate. Metamorphosis is a process in which an organism undergoes a profound change in form during post-embryonic development, typically transitioning from a larval stage to an adult stage. In retrogressive metamorphosis, the larva possesses … Read more

The origin of chordates, the early ancestors of vertebrates, is a subject that has fascinated zoologists for many years. While the exact details of their emergence remain elusive due to the absence of fossil remains, it is widely accepted that chordates evolved from invertebrates. The early chordate ancestors were soft-bodied organisms, leaving no tangible evidence … Read more