life cycle of a frog ms. johnson grade k-2 related arts

LIFE CYCLE OF A FROG

M S . J O H N S O N

G R A D E K - 2

R E L A T E D A R T S

METAMORPHOSISMetamorphosis is the changes that a frog goes through during its life cycle.

There are four main stages in the life cycle of the frog.

The first stage of the frog life cycle is the egg.

EGG

A frog lays many eggs at one time.

The eggs are covered with a jellylike coating.

The second stage of the frog life cycle is the tadpole.

TADPOLE

Hatched tadpoles have gills for breathing in the water.

They have a tail, but no legs.

As a grows, lungs begin to form.

Back and front legs begin to grow. These parts allow the adult frog to live on land.

FrogletThe next stage of the frog life cycle is the froglet.The legs begin to form.

The last stage of the frog life cycle is the adult frog.

ADULT FROGOnce the lungs form and begin to work, the gills and tail disappear.

The frog is now ready to live on land.

This black screen is to help students refocus before review

• Stage 2

• Stage 1

• Stage 3

• Stage 4

Adult Frog Froglet

TadpoleEggs

Let’s Review

Frog Cycle Video

QUESTIONS AND ANSWERS

At what stage is the frog ready to live on land?

At what stage does the frog have gills?

At what stage is the frog growing legs?

At what stage is the frog covered with a jellylike coating?

Stage 4: the adult

Stage 2: the tadpole

Stage 3: the froglet

Stage 1: the egg