5.4 Thermoregulation Flashcards

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1
Q

What are the different between how ectotherms and endotherms regulate heat?

A

-Endotherms regulate heat within their body
- Ectotherms regulate heat from environmental

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2
Q

What and are the 2 ways (ecto/ endotherms) regulate heat by? B, P

A

Endotherms: Physiological
Ectotherms: Behavioural

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3
Q

What do Ectotherms do to regulate heat? 3
- ☀️🏞️🏃‍♀️

A
  • bask in sun
  • press again warm ground
  • move around more
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4
Q

What do endotherms do to regulate heat through physiological responses 2

A
  • sweat
  • converts this to water vapour reducing temperature
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5
Q

What is vasodilation? Increasing..??

How do the body temp decrease?
- more h.

A

Blood vessel close to skin dilate, increase the amount of blood flow

  • more heat is given of/ removed
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6
Q

What is vasoconstriction? Decreasing 2?

A

The blood vessel near skin constricts, decreasing blood flow and heat loss

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