ANIMALS Structure and Function Unifying Themes in Animal Anatomy and Physiology There is a correlation between form and function. The comparative approach allows us to see how species of diverse evolutionary history and varying complexity solve problems common to all.
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Structure and Function
Groups of Cells With Common Structures and Functions
Generate own body heat
Require more kilocalories than ectotherms
Many are homeothermic
Bird and mammals
1600-1800 kcal/day – men
Acquire most of body heat from environment
Include fish, amphibians, reptiles and invertebrates
SMR (standard metabolic rates) must be determined at a specific temperature