On one hand, pupal stage is a time of rest on the other, the most profound changes in the physique of these animals occur during this time.
A caterpillar's body requires very different functions as opposed to its heir, the butterfly. |
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It requires a large gastrointestinal tract, but lacks reproductive organs. The six eyes a caterpillar has on each side (right picture) are also very different from the facett eye of the butterfly. |
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Substantial changes also occur in the transition from caterpillar to butterfly at the mouth part and locomotion organs. The right picture shows a caterpillar antennae. These transformations take at least a week for completion. |