Strategies of Thermoregulation Flashcards
1
Q
What are 4 strategies of thermoregulation?
A
- poikilothermy
- homeothermy
- ectothermy
- endothermy
2
Q
What is poikilothermy?
A
- body temp varies with environment (w or w/o attempt to regulate internal temp)
3
Q
What is homeothermy?
A
- maintenance of CONSTANT body temp regulated by external means
4
Q
What is ectothermy?
A
- body temp determined primarily by environment
5
Q
What is endothermy?
A
- internal generation of heat
6
Q
What is regional endothermy
A
- not entire body (only parts)
(swimming muscles, brain, eyes)
7
Q
Most poikilotherms are _____ but not all ____ are poikilothermic
A
- ectothermic
- ectotherms
8
Q
Most fish are ____ _____
A
- ectothermic poikilotherms
9
Q
Most fish have low metabolic rates, what increases performance?
A
- regional endothermy
