life cycle of butterlfy& frog
TRANSCRIPT
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Grade 4
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Where do butterflies come from?
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Yeah, tell me please!
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Unlike you and me…
butterflies look different when they were babies!
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Check this out!
Baby Adult
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Amazing, right?
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Butterflies are special because their form change
as they grow older.
this is called METAMORPHOSIS
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Let’s read together…
metamorphosis
or change in form
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a butterfly’s metamorphosis
Egg Larva
PupaAdult
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Egg
First…
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Larva
Next…
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Pupa
Third…
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Adult
Last…
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Finally…
a butterfly!
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Wow.Thanks for telling me!
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Let’s review…
A butterfly changes in form
Egg Larva Pupa Adult
this is called METAMORPHOSIS
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Well, that’s cool!
Ribbit. What about
me?
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Where do frogs come
from?
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Frogs also change in form…
check out this cool dude!
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a frog’s metamorphosis
Eggs Tadpole
FrogletAdult
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Frog’s metamorphosis
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First…
Eggs
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Egg
• A frog lays many eggs at one time.
• The eggs are covered with a jellylike coating.
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Second stage…
Tadpole
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Tadpole
• Hatched tadpoles have gills for breathing in the water.
• They have a tail, but no legs.
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Third…
Froglet
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Froglet
• 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.
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Adult Frog
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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
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Go for the
gold!
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Sources
• http://www.tooter4kids.com/Frogs/life_cycle_of_frogs.htm
• http://ecs.lewisham.gov.uk/youthspace/ca/Lorraine/frog_life_cycle.htm