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Biology the Study of Life REVIEW Chapter 1 The Nature of Life

=> asked by Eileen

Categories: high school bioloy  


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Biology is the study of living things.

Organisms, or living things: -are made up of one or more cells -use energy -have a definite form and a limited size -have a limited life span -grow -respond to changes in the environment -are able to reproduce -change over time

Homeostasis is the condition of a constant internal environment.

Nutrition is what every organism takes materials from its external environment and changes them into forms it can use.

Nutrients are the substances that an organism needs for energy, growth, repair, or maintenance.

over 3 years ago, by Eileen

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