213k views
3 votes
What considerations determine if an animal excretes nitrogenous waste as ammonia, uric acid, or urea

User Kara Potts
by
3.2k points

2 Answers

6 votes
A major factor in determining the mode of nitrogen excretion is the availability of water in the environment. Generally, aquatic animals excrete mostly ammonia, whereas terrestrial animals excrete either urea or uric acid.
User Mcnk
by
3.2k points
1 vote

Answer:

A major factor in determining the mode of nitrogen excretion is the availability of water in the environment. Generally, aquatic animals excrete mostly ammonia, whereas terrestrial animals excrete either urea or uric acid.

Step-by-step explanation:

User Mare Infinitus
by
3.4k points