Life Stage of Amphibians

The frog life cycle

The Egg Stage - This is the first stage of a frogs life cycle. Thousands of eggs are laid by the female frog in water or moist area and covered in a jelly like substance to protect them.

​The Life Cycle of a Frog

Frogs begin life as an egg! The female frog lays thousands of eggs near water or somewhere moist, eggs are covered in a jelly like substance to protect them from predators.

Multiple Choice

The first stage of a frogs life cycle is called

• Metamophosis

• Froglet stage

• Birth

• The Egg Stage

The Egg Stage Fun Fact

The egg stage lasts 2-3 weeks before hatching into tadpoles! Tadpoles eat what remains of their egg for nutrition, the process of metamorphosis is hungry work! Lots of energy and good food is needed to eventually change into an adult frog.

Tadpoles go through the process of metamorphosis, 6-9 weeks after hatching, back legs appear followed by front legs, now they a froglet!

​Transformation

This is the first stage of a frogs life cycle. Tadpoles have gills to breath under water and a tail for swimming. Tadpoles eat plants and algae.

​Tadpole stage

The frog life cycle

Stage 4 - the final stage

​Adult Frog

The final stage in the life cycle of a frog is the adult stage. The frog has lost it's tail and developed lungs to live and breath on land. As frogs are amphibians their skin must stay moist and they have webbed feet help them swim in the water as well as live on land.

AMPHIBIAN

Any organism that is able to live on land and water

Fun Frog Fact

Adult Frog

Adult frogs feed on insects and small invertebrates this means they are carnivorous. They use their long sticky tongue to catch insects and are vital in the ecosystem to control the insects population. Thank you frogs!

Multiple Choice

An adult frog is...

• Herbivorous - feeding on plants and algae

• Filter feeder - feeding on small organisms in the water

• Omniverous - feeding on plants and insects

• Carnivorous - feeding on insects and small invertebrates

Multiple Choice

What stage of the frog life cycle do legs and lungs develop?

• Tadpole

• Adult frog

• Froglet

• Amphibian

Reorder

Reorder the following

• Egg

• Tadpole

• Froglet

• Adult Frog

1

2

3

4

• 1
• 2
• 3
• 4

Fill in the Blank

A tadpole with gills and a tail transforming into a frog with legs and lungs is know as the process of?

Match

Match the following

• Froglet

• Tadpole

• Adult Frog

• Amphibian

• Egg stage

Have both gills and lungs

Is herbivorous, eats plants and algae

Is carnivorous

Lives on land and water

Lasts 2-3 weeks

• Have both gills and lungs

• Is herbivorous, eats plants and algae

• Is carnivorous

• Lives on land and water

• Lasts 2-3 weeks