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Next Generation Science. © CK-12 Foundation 2025 | FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation. ATP is a coenzyme that cells use for energy storage. Real World. Physiology studies th Marine biology is an exciting and essential field that focuses on the study of oceanic organisms, their behaviors, and their interactions with the environment. A species’ niche is its place in an ecosystem relative to the other Biology is important to psychologists in several ways: Comparative methods learned in biology compare different species and help to understand human behavior. MS-ETS1-3. The earliest plants had What are you looking for? Search CK-12 Biology for High School > Human Body. Share with Classes. 0 Cellular Structure and Function Assessments. MS-LS1-4. 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