Summary

Concept 29.1: Animals Eat to Obtain Energy and Chemical Building Blocks

Concept 29.2: An Animal’s Energy Needs Depend on Physical Activity and Body Size

Concept 29.3: Metabolic Rates Are Affected by Homeostasis and by Regulation and Conformity

Concept 29.4: Animals Exhibit Division of Labor, but Each Cell Must Make Its Own ATP

Concept 29.5: The Phenotypes of Individual Animals Can Change during Their Lifetimes

Concept 29.6: Animal Function Requires Control Mechanisms

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