Insects.
Publié le 15/05/2013
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parents.
It does not have wings.
It may not even have legs.
As the insect grows, it starts to changeshape.
This change is called metamorphosis.
There are two kinds of metamorphosis, called incompleteand complete.
Dragonflies, grasshoppers, and crickets are some insects that go through incomplete metamorphosis asthey grow up.
The young insects are called nymphs or naiads.
The young insect molts, or crawls out ofits exoskeleton, as it grows bigger.
It grows a new, larger exoskeleton.
Its body changes each time itmolts.
Soon it gets the shape of an adult insect with wings.
Butterflies, moths, beetles, bees, and flies are insects that go through complete metamorphosis.
Theyoung insects are called larvae.
They look completely different from their parents.
Caterpillars are thelarvae of butterflies and moths.
Maggots are the larvae of flies.
Larvae change into another stage called the pupa.
The pupae of many insects spin a protective casemade of silk called a cocoon or a chrysalis.
The larva’s body changes completely inside the case.
Acaterpillar changes into a beautiful butterfly or moth.
A maggot becomes a housefly.
The adult insectthen breaks out of its case.
Flying insects pump blood into their new wings and fly away.
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