Scelta multipla
Which type of phylogenetic tree displays trait marks on all branches where evolutionary changes occur?
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25. Phylogeny
Phylogeny
Scelta multipla
Use the phylogenetic tree to the right to choose the true statement below.
A
Species A is the most distantly related to all other species on the tree.
B
All three species diverged from a common ancestor at the same time.
C
Species A and B share a more recent common ancestor with each other than with Species C.
D
Species B and C are more closely related to each other than to Species A.
Guida verificata passo dopo passo1
Examine the phylogenetic tree provided. A phylogenetic tree is a diagram that represents evolutionary relationships among species based on shared common ancestors.
Identify the branching points (nodes) on the tree. Each node represents a common ancestor shared by the species branching from that point.
Determine the relationship between Species A, B, and C by analyzing the nodes. Look for the most recent common ancestor shared by each pair of species.
Compare the positions of Species A, B, and C on the tree. If Species A and B share a more recent common ancestor with each other than with Species C, this indicates that A and B are more closely related to each other than to C.
Verify the statement that Species B and C are more closely related to each other than to Species A. If the tree shows that B and C share a more recent common ancestor than either does with A, this statement would be true. Use this analysis to confirm the correct answer.
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