Genetics: Genetics is the branch of biology that focuses on heredity and variation in living organisms. It explores how traits are passed from one generation to another through genes.
Ecology: Ecology is the study of how organisms interact with each other and their environment. It examines topics like ecosystems, food chains/webs, population dynamics, and conservation.
Microbiology: Microbiology is the study of microorganisms such as bacteria, viruses, fungi, and protozoa. It investigates their structure, function, behavior, and impact on human health and the environment.