Biology: The Study of Life

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

Energy processing is important for organisms to move, grow, and reproduce.

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

<p>The scientific method involves making observations, posing questions, generating hypotheses, performing experiments, and forming conclusions. Biologists use the scientific method to study the world around them.</p> Signup and view all the answers

<p>Life on Earth is immensely diverse, and biologists study and classify various forms of life, from prokaryotic organisms such as archaea and bacteria to eukaryotic organisms such as protists, fungi, plants, and animals.</p> Signup and view all the answers

<p>The unifying themes of biology include the cellular basis of life, heredity and evolution, energy processing, and the regulation of internal environments.</p> Signup and view all the answers

<p>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> Signup and view all the answers

<p>The subdisciplines within biology are defined by the nature of their research questions and the tools that they use.</p> Signup and view all the answers

<p>Life on Earth emerged more than 3.7 billion years ago.</p> Signup and view all the answers

<p>Examples of eukaryotic organisms studied by biologists include protists, fungi, plants, and animals.</p> Signup and view all the answers