Aquatic Cutaneous Respiration Flashcards
1
Q
What does cutaneous mean?
A
- across skin
2
Q
96% of MO2 cutaneous breathers are
A
- larval fish
3
Q
Why are so many larval fish MO2 cutaneous breathers?
A
- SA–> vol ratio efficient
- gills haven’t developed yet
4
Q
Why do fish eventually develop gills?
A
- demand increases
5
Q
What are the characteristics of adult/juvenile cutaneous breathers?
A
- poorly vascularized skin
- MO2 skin = MO2 demands
