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Question: Answered & Verified by Expert
A terrestrial animal must be able to:
BiologyEcosystemNEETNEET 2004
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.
Solution:
1772 Upvotes Verified Answer
The correct answer is: conserve water
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.

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