Multiple Choice
Based on the tree below, which statement is true?
i. Snow leopards and tigers are sister taxa.
ii. Lions, leopards, and jaguars represent a clade.
iii. The node leading to lions, jaguars, and leopards is a polytomy.
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25. Phylogeny
Phylogeny
Multiple Choice
Based on the tree below, which tree shows the same evolutionary relationships?
A
B
C
D
Verified step by step guidance1
Examine the original tree to understand the evolutionary relationships. The tree shows that the Ostrich and Rhea are more closely related to each other than to the other species. The Tinamou is a separate branch, and the Cassowary and Emu are more closely related to each other, with the Kiwi being the most distantly related.
Look at each of the provided trees to determine if they show the same relationships. The correct tree should have the Ostrich and Rhea branching off together, the Tinamou on a separate branch, and the Cassowary and Emu branching off together, with the Kiwi as the most distantly related.
In the first provided tree, the Kiwi and Emu are shown as closely related, which does not match the original tree's relationships.
In the second provided tree, the Rhea and Kiwi are shown as closely related, which does not match the original tree's relationships.
In the third provided tree, the Emu and Cassowary are shown as closely related, with the Kiwi as the most distantly related, which matches the original tree's relationships. This tree shows the same evolutionary relationships as the original tree.
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