Amphibians and Reptiles

Amphibians evolved from

• arthropods

• arachnids

• squigimigiggles

• fish

Amphibians developed stronger shoulder and pelvic bones to be able to walk on the land.

• True

• False

Amphibians (except for caecilians) basically acquired two things most fish don't have:

• a 4-chambered heart and liver

• gills and a caudal fin

• legs and lungs

• a three part brain and large tail muscles

Amphibians can't live far from water because

• Their skin is not waterproof. (water can evaporate out of amphibians)

• Their eggs only hatch under water.

• Both of these answers.

Amphibians are

• warm blooded

• cold blooded

Amphibians are

• vertebrates

• invertebrates

Basically, how many types of amphibians are there?

• 3

• 30

• 300

• 3,000

Hi, my name is Barb. I have a slim body type. I prefer to jump. I live in the water. I lay my eggs in clusters. I have thin, wet smooth skin which often has pretty colors. I am a:

• toad

• frog

Hi, my name is Dinabelle. I have a stout body type. I have thick, dry skin with bumps and I am usually brown. I lay my eggs in chains. I have short legs and I live on land. I don't do a lot of jumping, frankly. I am a:

• toad

• frog

In the life cycle of a frog, what comes after the egg stage?

• two-legged tadpole

• tadpole

• four-legged tadpole