Section 1

Question 1

All vertebrates have?

Answer 1

Backbones

Question 2

What is a notochard?

Answer 2

A flexible rod that supports a chordate’s back. Some chordates like a Lancelot have notochords all their lives, in contrast, in vertebrates part or all of the notochord is replaced by a backbone

Question 3

What are some characteristics that all chordates have?

Answer 3

1.) a notochord
2.) a nerve cord that runs down their back which is connected to the nerves and brain
3) slits in their throat area

Question 4

What are characteristics that vertebrates have?

Answer 4

1) a backbone ( also called a spine) that runs down the center of its back
2) an internal skeleton

Question 5

What characteristic do only vertebrates have?

Answer 5

A backbone

Question 6

What are vertebrae?

Answer 6

Many singular bones that are lined up in a row like beads on a string. Joints are moveable connections between the vertebrate and give the spine flexibility

Question 7

What is the function of an endoskelaton in vertebrates?

Answer 7

It protects the internal organs of the body , helps give the body shape and gives muscles a place to attach

Question 8

What is an ectotherm?

Answer 8

An animal whose body does not produce much internal heat . Its body temperature changes depending on the temperature of its environment

Question 9

What are some examples of ectotherms?

Answer 9

Fish, amphibians and reptiles

Question 10

What is an endotherm?

Answer 10

An animal whose body regulates its own temperature by controlling the internal heat it produces. Its body temperature usually doesn’t change much even when the temperature of its environment changes

Question 11

What are some examples of endotherms?

Answer 11

Birds and mammals

Question 12

What gives a backbone flexibility?

Answer 12

Joints

Question 13

Can ectotherms or endotherms produce internal heat?

Answer 13

Endotherms