Scientists believe that amphibians fisrt developed around _______ years go

• 360 billions

• 360 thousand

• 360 millions

• 360 hundred

Green algae growing in salamander eggs hels the salamanders grow healthy

• True

• False

Amphibians can exist in both places. Thats the why they are named amphibians.

• True

• False

Process trough amphibians make a drastic change from juvenile stage to adult stage.

Why are amphibians found near sources of water?

Where do amphibians lay their eggs?

• land

• water

• beach

• surface

Amphibians are the only vertebrates in the Animal kingdom that undergo this process called metamorphosis

• True

• False

Amphibians start their life cycle as _____________ animals

• land

• aquatic

• terrestrial

• sea

How many eggs may females amphibians lay?

• hundred of them

• millions of them

• billions of them

• thousand of them

In this sentence: "...the collection of eggs is called a clutch"

What is the meaning of clutch?

Remeber that a clutch of eggs is the total number of eggs laid in one nesting attempt.

• huevera

• nido

• nidada

• anidación