Thermoregulation Flashcards
1
Q
What is the heat conductivity of air vs water?
A
- 1:25
2
Q
What is the heat capacity of air vs water?
A
- 1:3000
3
Q
What does the heat conductivity and capacity difference between air and water mean?
A
- increased chances of hypothermia in cold water
4
Q
What is the gill SA to body SA ratio in contact with water?
A
- high gill SA: body SA (5-10x more)
5
Q
What is high SA needed for in water?
A
- gas exchange
- heat loss (conductive)
6
Q
Most fish have ___ metabolic rates. what is this a consequence of?
A
- low
- consequence of low body temp
7
Q
There are high rates of ___ heat loss in water
A
- convective
8
Q
A
