44,4 nephron adaptations Flashcards
1
Q
most hyper osmotic urine excreters
kangaroo rat, hopping mice ….
A
have long Henle loops that go deep in to medulla
2
Q
least hyper osmotic urine
A
have short henle loops
3
Q
birds
A
excrete uric acid
-as a paste
4
Q
reptiles
A
the cloaca reabsorbs some water
5
Q
freshwater fish
A
reabsorb ions in the distal tubes and leave water behind
many nephrons
large volumes of dilute urine
6
Q
amphibians
A
reabsorb water in the bladder
7
Q
bony fish
A
smaller nephrons
lack a distal tubule
-mainly focused on removing divalent ions (Ca2+, Mg2-, SO4 2-) charge of 2+ or 2-
