Ectotherms
- Created by: Sam Brewer
- Created on: 01-04-13 18:34
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- Ectotherms
- An organism that relies on external sources of heat to regulate its body temperature
- Body temperature fluxuates with air temperature
- Advantages of being an ectotherm
- Use less food in respiration
- Can go longer without food
- Greater proportion of energy from food can be used for growth
- Disadvantages of being an ectotherm
- Need to warm up before becoming active increasing risk of predation
- Not always capable of activity in winter
- Need sufficient stores over winter without eating
- Ectothermic adaptions
- Exposing body to the sun
- Orientating body to or from the sun
- Hide in burrow
- Alter body shape
- Increase breathing movements
- An organism that relies on external sources of heat to regulate its body temperature
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