Fishes, Amphibians, And Reptiles Flashcards Preview

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Flashcards in Fishes, Amphibians, And Reptiles Deck (23):
1

At some point in their lives, all chordates have a flexible supporting rod in their backs called a...

Notochord

2

If an animal is ectothermic, it has....

A body that does not produce much internal heat.

3

What does the back bone surround and protect in a vertebrate?

The spinal cord.

4

Fish take in oxygen through their....

Gills

5

Most fishes reproduce by means of.....

External fertilization.

6

What kind of fishes has a skeleton made of hard bone?

Goldfish

7

The scales of many cartilaginous fishes are....

Pointed, giving the skin a rough texture

8

Most adult amphibians can obtain oxygen through......

Lungs and thin, moist skin

9

How many chambers are there in a typical adult amphibian heart?

Three

10

Amphibians are especially sensitive to changes in the environment because.....

Their skin is delicate

11

One major difference between lizards and snakes is that lizards...

Have legs. Like we really need to know that.

12

An adult reptile can survive on dry land because it's kidneys....

Produce concentrated urine (pee)

13

How is a reptile egg different from an amphibian egg?

The reptile egg has a shell and internal membranes.

14

What two adaptions help a reptile keep water in its body?

Skin and kidneys

15

What is one way that a reptile's egg is adapted to survive on land?

The egg has membranes that keep it moist

16

What kind of feeding habits do all snakes have?

They r carnivores.

17

Which phylum do vertebrates belong to?

Chordata

18

When temperature in environment changes,the reptile temp...

Changes

19

An animal whose body temp. doesn't change much, even when the temp. of the environment changes, is called...

An endotherm.

20

Hat type of fish is a lamprey?

A jawless fish

21

All turtles obtain food by...

Using sharp-edged beak to tear food.

22

If a fish's swim bladder is destroyed, the fish would be unable to....

Stabilize it's body at different depths

23

The larva of a frog or toad is called a....

Tadpole