The study of the structure of animals and their organs
Physiology
The study of the functions of animals and their organs
Morphology
The study of the form and structure of living organisms, including their external and internal features. Morphology is concerned with the variation and diversity of form and structure within and among species
Ecology
The study of the interactions between animal and their environment
Ethology
The study of animal behavior, including mating, and social behavior
Evolutionary Biology
The study of the evolution of animals and their adaptation to different environments
Paleology
The study of ancient animals and their evolutionary history
Taxonomy
The classification of living things into different groups based as their physical characteristics and evolutionary history
Geography
The study of the distribution of animals across different regions of the world
Parasitology
The study of parasites that live on or inside animals
Comparative anatomy
The study of the similarities and differences between the anatomy of different animals
Developmental Biology
The study of how animals grow and develop from embryos to adults
Molecular biology
The study of the structure and function of biological molecules, including those found in living organisms
