Introduction to Biology

Biology is the scientific study of life.

The unifying themes in biology include the cellular basis of life, heredity and evolution, energy processing, and regulation of internal environments.

Biologists study life at multiple levels of organization, from molecular biology to the anatomy and physiology of plants and animals, and the evolution of populations.

<p>Biologists use the scientific method to make observations, pose questions, generate hypotheses, perform experiments, and form conclusions.</p> Signup and view all the answers

<p>Life on Earth, which emerged more than 3.7 billion years ago, is immensely diverse, ranging from prokaryotic organisms to eukaryotic organisms.</p> Signup and view all the answers