Multiple Choice
Rabbits and guinea pigs both belong to class Mammalia. This means they must also both belong to __________.
25. Phylogeny
Phylogeny
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What does a branch point in a phylogenetic tree represent?
A
A branch point represents a split between two phyla.
B
A branch point represents a gene duplication event.
C
A branch point represents a place where one species branches off from another.
D
A branch point represents the absolute time at which two evolutionary lineages split from a common ancestor.
E
A branch point represents a point at which two evolutionary lineages split from a common ancestor.
Verified step by step guidance1
Understand that a phylogenetic tree is a diagram that represents evolutionary relationships among organisms.
Recognize that a branch point, also known as a node, in a phylogenetic tree indicates a divergence event.
A branch point represents the most recent common ancestor shared by the lineages that diverge from that point.
This divergence signifies that the lineages have evolved independently from that common ancestor.
Therefore, a branch point in a phylogenetic tree represents a point at which two evolutionary lineages split from a common ancestor.
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