butterfly

Butterflies develop through process metamorphosis and its transformation or change in shape. There are four stages of this process. In first stage eggs are laid on plants by adult female butterfly. These eggs can be pretty small. Females lay a lot of eggs at once just to make sure at least one of them survive. Eggs can be laid from spring, summer or fall. Second stage is larva (caterpillar). Caterpillars are supposed to eat and eat and this  food is stored and used later as adult. Caterpillars can grow 100 times their size in this stage. Third stage is pupa. Caterpillar becomes a pupa when is fully grown. The pupa may suspend under a branch, hidden in leaves or buried underground. Inside pupa big changes are happening and butterfly is being formed. This stage can last from two weeks to month or longer. Last stage is adult stage. Then caterpillar is already a butterfly and they cant grow any longer. Adult job is to mate and lay eggs. Their wings are really helpful for finding the right place for eggs. Most of adult butterflies live only for one or two weeks. 

source: The butterfly life cycle! - National Geographic Kids (natgeokids.com)

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