44.1 how animals control water Flashcards
1
Q
how do animals maintain water balance
A
1-osmoconformer
2-osmoregulator
2
Q
osmoconformer
A
becomes isotonic with its surroundings
3
Q
osmoregulator
A
internal osmolarity is independent of its environment
4
Q
isomotic, hyper osmotic, hypoosmotic
vs
isotonic, hypertonic, hypotonic?
A
- osmotic talks about osmolarity
- tonic talks about RESPONSE of cells in the collations to shrink or grow
5
Q
all osmoconformers are
A
are marine animals
6
Q
most animals are
can’t tolerate substantial changes in external osmolarity
A
stenohaline
7
Q
animals that can tolerate changes in osmolarity
A
euryhaline-
- barnacles and muscles are euryhaline osmoconformers
- striped bass and salmon are euryhaline osmoregulators
