life cycle of a frog
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Life Cycle of a Frog. Grade 3. Metamorphosis. Metamorphosis is the changes that a frog goes through during its life cycle. There are four main stages in the life cycle of the frog. Egg. The first stage in the life cycle of the frog is the egg . A frog lays many eggs at one time.

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Presentation Transcript
metamorphosis
Metamorphosis
  • Metamorphosis is the changes that a frog goes through during its life cycle.
  • There are four main stages in the life cycle of the frog.
slide3
Egg
  • The first stage in the life cycle of the frog is the egg.
  • A frog lays many eggs at one time.
  • The eggs are covered with a jellylike coating.
tadpole
Tadpole
  • The second stage of the frog life cycle is the tadpole.
  • Hatched tadpoles have gills for breathing in the water.
  • They have a tail, but no legs.
slide5
As a tadpole grows, lungs begin to form.
  • Back and front legs begin to grow. These parts allow the adult frog to live on land.
adult frog
Adult Frog
  • Once the lungs form and begin to work, the gills and tail disappear.
  • The adult frog is now ready to live on land.
slide10

The second stage of

the frog life cycle

is the tadpole.

slide12

The last stage of the

frog life cycle is

the adult frog.

sources
Sources
  • http://www.tooter4kids.com/Frogs/life_cycle_of_frogs.htm
  • http://ecs.lewisham.gov.uk/youthspace/ca/Lorraine/frog_life_cycle.htm
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