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ZOO 102 Practice Questions ZOO 102 4 Objective Question
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Question

67. In a phylogenetic tree (as distinct from a simple cladogram), branch lengths may represent
Options
A Nothing at all
B Evolutionary time or degree of divergence
Correct Answer
C Only geographic distance
D The number of legs a species has
Correct Answer

Option B is the correct answer.

Detailed Explanation

Unlike basic cladograms that only show topology, phylogenetic trees scale branch lengths to proportional evolutionary time or genetic change.

Hint

Branch lengths convey divergence rates or elapsed geological time.

Question Info

Course: ZOO 102
Topic: Practice Questions ZOO 102 4
Type: Objective
Difficulty: Not specified
Question 486 of 737
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