Question Detail

ZOO 102 Objective Question
Take CBT

Question

Why are polar bears (Ursus maritimus) strictly confined to the Arctic region rather than occurring globally?
Options
A Active eradication by human settlements in equatorial biomes
B Competitive exclusion by large tropical rainforest carnivores
C Lack of genetic variation enabling mammalian carnivory
D Strict physiological and ecological adaptations to freezing, ice-covered marine biomes
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Polar bears possess specialized morphological and physiological adaptations for cold tolerance and sea-ice seal hunting that limit them to the Arctic.

Hint

No hint available

Question Info

Course: ZOO 102
Type: Objective
Difficulty: Not specified
Question 758 of 766
Previous Course Details Next