Basic Info for Ch 40

Ch 40 – Basic Principles of Animal Form and Function

1. What body features are important for exchanging energy and materials with the environment?
2. What are the four types of tissues and their functions?
3. What is homeostasis?
4. Describe two examples of homeostasis.
5. What is positive feedback? What is negative feedback?
6. Describe one example of each type of feedback.
7. What is countercurrent exchange? Include a simple diagram of countercurrent exchange.
8. Name one group of animals that consists of endotherms and one adaptation of the group that enables the endothermic lifestyle. [Note: the adaptation can be structural, physiological or behavioral.]
9. Name one group of animals that consists of ectotherms and one adaptation of the group that enables the ectothermic lifestyle. [Same note as for #7.]