Ammonia is likely to be the primary nitrogenous waste in living ...

[j_sun]

Ammonia is likely to be the primary nitrogenous waste in living conditions that include
A) lots of fresh water flowing across the gills of a fish.
B) lots of seawater, such as a bird living in a marine environment.
C) lots of seawater, such as a marine mammal (e.g., a polar bear).
D) a terrestrial environment, such as that supporting crickets.
E) a moist system of burrows, such as those of naked mole rats.

[sammy]

I remember it was A

[j_sun]

Thanks dude! Marking this solved.