A-Level Biology OCR A
Ectotherm Lizards Body Butterflies Namaqua Chameleon Metabolic Muscles
| Front |
Give adaptations that show how an ectotherm regulates its internal temeprature. + state which animals have each |
| Back |
Ectotherm regulation:
| Adaptation | Animal |
|---|
Basking in sun / moving to shade
| Lizards
| Orientating themselves/extending body to make sure maximum/minimum surface area exposed to Sun
| Locusts and butterflies | Pressing body against warm/cool ground
| Namaqua chameleon
| Using exothermic metabolic reactions
| Galapagos iguanas contract muscles to increase metabolism
Moths and butterflies vibrate wings to warm up muscles before flight
| Dark colors to absorb more radiation
| Lizards in colder climates
| Altering heart rate to change metabolic rate
| Namaqua chameleon
| |
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an
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A-Level Biology OCR A