Terrestrial animals (mammals and semi-terrestrial adult amphibians) cannot use water freely for excretion because of less availability in the environment, so ammonia is converted into a less toxic and easily soluble product, urea. Terrestrial animals must osmoregulate to maintain contant internal osmolarity.
A terrestrial animal must be able to:
NEET UG 2004 — Botany Ecosystem
2004mcqmedium
A terrestrial animal must be able to:
Official previous-year question
Held on 30 Apr 2004 · Verified 9 Jul 2026.
Options
- A
excrete large amounts of water in urine
- B
conserve water
- C
actively pump salts out through the skin
- D
excrete large amounts of salts in urine.
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