Question Detail

ZOO 102 Basis of Categorization of Diversity of Animals Objective Question
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Question

Evolutionarily, what distinguishes higher life-forms with bilateral symmetry from lower life-forms with radial symmetry?
Options
A The presence of a cell wall
B The ability to perform photosynthesis
C The presence of the mesoderm layer
Correct Answer
D The lack of membrane-bound organelles
Correct Answer

Option C is the correct answer.

Detailed Explanation

The mesoderm is the layer that distinguishes higher life-forms (bilateral) from lower ones (radial). Choice A is incorrect as animal cells do not have cell walls.

Hint

It's the middle germ layer.

Question Info

Course: ZOO 102
Topic: Basis of Categorization of Diversity of Animals
Type: Objective
Difficulty: Not specified
Question 123 of 737
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