Ectotherms
- Created by: Remya Salimkumar
- Created on: 03-06-15 12:47
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- ECOTHERMS- maintaining body temperature
- BEHAVIOURAL
- Expose body to sun
- more heat absorbed as larger surface area
- snakes
- more heat absorbed as larger surface area
- orientate body towards sun
- exposes larger surface area for head absorption
- Locusts
- less surface area axposed so less heat absorption
- Locusts
- exposes larger surface area for head absorption
- orientate body away from sun
- less surface area axposed so less heat absorption
- Hide in burrows or shade
- reduce heat absorption by keeping out of sun
- Horned lizards
- reduce heat absorption by keeping out of sun
- Expose body to sun
- PHYSIOLOGICAL
- Expand ribcage/ alter body shape
- absorb less or more heat from sun
- horned lizards
- absorb less or more heat from sun
- increase breathing movements
- increase water loss by evaporation
- Locusts
- increase water loss by evaporation
- Expand ribcage/ alter body shape
- BEHAVIOURAL
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