The Frog

Do you know about frogs?

An amphibian lives part of its life in the water and part of its life on land. Frogs are amphibians that undergo complete metamorphosis, changing from an egg to a tadpole that swims in the water to a frog that jumps and climbs on land. Click through the slides below to learn more about frogs.

Illustration of frog lifecycle in a pond setting with numbered arrows pointing to the next step in a circle. Step 1 small cluster of light blue eggs in water, step 2 small green tadpoles that progressively change from right to left to have legs, step 3 is a small frog with a tail, and finally step 4 is a large frog sitting on the ground outside of the water.

Frogs are amphibians. This means that they spend part of their life in the water and part on land.

Illustration of frog and frog eggs. Frog eggs are depicted as a cluster of white circles with a blue circle in the center of each and green blue speckled border.

A mother frog lays soft eggs in the water. In 4-15 days, the eggs hatch and tadpoles begin swimming.

Illustration of grey swimming tadpoles

The tadpoles look like baby fish. They even breathe like fish through gills.

Illustration of green tadpole with legs

Next the tadpole’s head grows larger, the tail grows longer, and the back legs start to grow.

Illustration of two green frogs with tails

Smaller front legs grow next. It’s starting to look more like a frog. It’s called a froglet.

Illustration of green adult frog

Finally, the gills get covered and lungs form. The tail grows into a body, and it becomes an adult frog. Now it breathes air on land.

Question

What is a baby frog called?

a tadpole

Question

When a frog croaks, he is _________.

singing