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University of California, Los Angeles *

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7B

Subject

Biology

Date

Feb 20, 2024

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1

Uploaded by SuperHumanCrowMaster93

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3. Do you expect group A and B to share more morphologic characters than group A and D? Explain your answer. e, Yes, groups A and B are more likely to share more morphologic characters than e I | groups A and D. This is because the common ancestor is more recent for @ groups A and B, whereas groups A, B, and D share a common ancestor that is farther back. D E 4. Refer to the phylogeny above (A) Which word describes a group formed by taxa A, B, and D? Neighbors (B) Which word describes a group formed by taxa A, B, C, and D? Monophyletic group 5. What purpose does an outgroup (taxon E in the phylogeny above) serve when constructing a phylogeny? The purpose of including an outgroup in a phylogenetic tree is to root the tree and determine the ancestral character states for ingroups. It helps infer the direction of evolutionary change and provides a framework for understanding relationships among the groups.
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