Question Detail

ZOO 102 Practice Questions ZOO 102 7 Objective Question
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Question

15. Freshwater fish are unable to easily colonize the ocean because of
Options
A Habitat specialization
Correct Answer
B Lack of any adaptation to water at all
C Excess food availability in freshwater
D Absence of predators in the ocean
Correct Answer

Option A is the correct answer.

Detailed Explanation

Osmoregulatory mechanisms in freshwater fish are specialized to conserve salts and excrete dilute urine, creating severe physiological limits to surviving high-salinity marine environments.

Hint

Physiological and osmoregulatory adaptation barriers.

Question Info

Course: ZOO 102
Topic: Practice Questions ZOO 102 7
Type: Objective
Difficulty: Not specified
Question 734 of 737
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