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Type: Multiple-Choice
Category: Zoology
Level: Grade 9
Author: McBobbo
Last Modified: 7 years ago

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Grade 9 Zoology

There are two main types of thermoregulatory organisms: endotherms and ectotherms. What is the difference between the two?
  1. Endotherms change their body temperature internally by their metabolism, whereas ectotherms maintain their body heat by absorbing it from the environment.
  2. Ectotherms change their body temperature internally by their metabolism, whereas endotherms maintain their body heat by absorbing it from the environment.
  3. Both endotherms and ectotherms regulate their body heat internally, though they do so using different biological mechanisms.
  4. Both endotherms and ectotherms regulate their body heat by absorbing heat from the environment, though they do so using different biological mechanisms.