Exam 19: The Evolution of Vertebrate Diversity

Amphibians were diverse and abundant in the lush swamp forests of the ________, which is sometimes referred to as the age of the amphibians.

Complete the analogy: ________ are to plant evolution as ________ is/are to vertebrate evolution.

Craniates are chordates that all possess

The key derived character of the lobe-finned fish is

Lampreys differ from fishes in that lampreys

A prehensile tail is like an opposable thumb in that both

Unlike sharks and rays, ray-finned fishes have

According to this figure, which two groups are most closely related?

Compared to other primates, anthropoids have

Which of the following statements is true?

________ spend almost all of their time on the ground, instead of in trees.

Natural populations of lemurs are found in

Reptiles are not able to eat as frequently as mammals and birds can eat. This is due to a trait that mammals and birds share but that reptiles do not have. What is this trait?

Which of the following statements best describes the current scientific view of birds?

The hominin group includes ________.

The American brook lamprey is a freshwater lamprey that lives in streams. Lampreys move streambed stones to make a nest in which to lay their eggs. Which defining feature of the lamprey might enable it to move these stones?

Like many insects, some amphibians undergo ________ in their life cycle as they have distinct larval and adult stages.

Of all of the chordate groups, why are there only two amniote groups (reptilia and mammalia)?

Use the figure below to answer the following questions. -The main difference between the earliest evolved tetrapods and the most recently evolved tetrapods is that

Which part of the body is likely to be much more diverse in mammals compared to that in other groups?