Question Detail

ZOO 102 Animal Diversity, Phylogeny, and Vertebrate Structure Objective Question
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Question

In a phylogenetic tree, what is the primary indicator of a recent common ancestor?
Options
A The length of the leaf nodes
B The color of the branches
C The proximity of the lineages' meeting point (node)
Correct Answer
D The number of species in the clade
Correct Answer

Option C is the correct answer.

Detailed Explanation

Lineages that meet at a node closer to the 'end' of the tree shared a common ancestor more recently. More distant ancestors are shown closer to the 'start'.

Hint

Look at the 'start' and 'end' labels on the phylogenetic diagrams.

Question Info

Course: ZOO 102
Topic: Animal Diversity, Phylogeny, and Vertebrate Structure
Type: Objective
Difficulty: Not specified
Question 114 of 737
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