Question

What are the two ways that metamorphosis is caused?

for class 7

Answer 1

The changes leading to metamorphosis are triggered by hormones, which the animal's body releases as the right conditions for metamorphosis approach. In some animals a hormone cascade follows, with the trigger hormone causing the release of several other hormones that act on different parts of the animal's body

Answer 2

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• The change that takes place when the larva is transformed into an adult is called as metamorphosis.

• Metamorphosis can be observed in animals like frog and silk moth ,butterflies

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