What Is Biology?

Cell biology studies cells, the smallest units of life. Scientists examine how cells function, how they grow and divide, and how their internal structures work together to keep organisms alive.

Zoology is the study of animals, including their behavior, physiology, evolution, and classification.

Molecular biology focused on the molecules that control biological processes, such as DNA, RNA, and proteins. It helps scientists understand how genetic information is stored, copied, and used by cells.

Genetics is the study of genes and heredity. It explains how traits are passed from parents to offspring and how genetic variation occurs within populations.

Botany focuses on plants, including their structure, growth, reproduction, and interactions with the environment.

Biotechnology applies biological knowledge to develop technologies used in medicine, agriculture, and industry, such as genetic engineering and medical treatments.

Marine biology studies life in oceans and other saltwater environments, including marine animals, plants, and ecosystems.

Evolutionary biology examines how species change over time through processes such as natural selection and genetic variation.

Ecology studies how organisms interact with each other and their environments. It looks at ecosystems, food chains, biodiversity, and environmental balance.