California State University, Northridge BIO 101 Chapter 24 1)The earliest vertebrates lacked:     2

California State University, Northridge

BIO 101

Chapter 24

1)The earliest vertebrates lacked:

2.            The skeletons of rays and skates are made of:

3.            Marsupial mammals are widely found in              

4.                           have a dorsal nerve cord.

5.            Which of the following are features of ALL chordates?

6.            The only mammals to have evolved powered flight are:

7.            How does the nerve cord of chordates differ from the nerve chord of other animals?

8.            What adaptions do these animals have?

9.            A spiny anteater is a mammal that can do all of the following EXCEPT:

10.          A hummingbird is categorized as a:

 Lampreys have reduced the size of commercial fish populations in the Great Lakes because they:

11.          What is the advantage of paired appendages?

12.          Sharks are classified as:

13.          All mammal species can

14.          Which of the following is present in all chordates?

15.          Most     have swim bladders.

16.          The great size and mobility of the vertebrates are associated with: