: Evolution explains both the unity and the incredible diversity of life on Earth. Through natural selection, organisms develop adaptations that improve their chances of survival and reproduction.
: Information is passed from one generation to the next through DNA and RNA. This universal genetic code acts as a blueprint for an organism's structure and function. Biology
: All living things must capture and transform energy to survive—whether through photosynthesis in plants or consumption in animals. They must also maintain homeostasis , a stable internal environment despite external changes. Major Branches of Biology : Evolution explains both the unity and the
The field is categorized into numerous specialized disciplines, each focusing on different aspects of life: Why Study Biology & Why is Biology Important? Biology