5.4 Thermoregulation Flashcards
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
2
Q
What and are the 2 ways (ecto/ endotherms) regulate heat by? B, P
A
Endotherms: Physiological
Ectotherms: Behavioural
3
Q
What do Ectotherms do to regulate heat? 3
- ☀️🏞️🏃♀️
A
- bask in sun
- press again warm ground
- move around more
4
Q
What do endotherms do to regulate heat through physiological responses 2
A
- sweat
- converts this to water vapour reducing temperature
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
6
Q
What is vasoconstriction? Decreasing 2?
A
The blood vessel near skin constricts, decreasing blood flow and heat loss
