Use the following to answer questions :
Refer to figure below.
-The position of which pair of taxa could be reversed without changing the meaning of the tree?
A) Crocodile and pigeon
B) Crocodile and lizard
C) Mouse and pigeon
D) Mouse and crocodile
E) Chimpanzee and pigeon

Question

Use the following to answer questions :
Refer to figure below. 
-The position of which pair of taxa could be reversed without changing the meaning of the tree?
A) Crocodile and pigeon 
B) Crocodile and lizard 
C) Mouse and pigeon 
D) Mouse and crocodile 
E) Chimpanzee and pigeon

Quizplus · Accepted Answer

In a phylogenetic tree, taxa that share a common ancestor can be swapped without altering the tree's meaning. Crocodiles and pigeons can be reversed because they both share a more recent common ancestor with each other than with the other taxa.

Use the Following to Answer Questions