Question

In the evolutionary tree shown, what is/are the sister taxon(s) of iguanas?

A) Snakes
B) The group consisting of monitor lizards and glass lizards
C) Both snakes and the group consisting of monitor lizards and glass lizards
D) Monitor lizards

Answer 1

The sister taxon(s) of iguanas in the evolutionary tree are the group consisting of monitor lizards and glass lizards. Iguanas and monitor lizards are both members of the Squamata order of reptiles and share a more recent common ancestor compared to snakes.

Step-by-step explanation:

The sister taxon(s) of iguanas in the evolutionary tree are B) The group consisting of monitor lizards and glass lizards. Iguanas and monitor lizards are both members of the Squamata order of reptiles, and they share a more recent common ancestor compared to snakes. Therefore, monitor lizards are the closest relatives of iguanas in the evolutionary tree.