Answers

2015-08-20T21:57:33+05:30
Because caterpillars are invertebrates ,they have exoskeleton they will get signals by releasing juveline hormone to get rid that exoskeleton
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2015-08-22T17:20:19+05:30
The skin of a caterpillar never grows larger so when a caterpillar gets too big for its skin the skin comes off with another skin underneath.Human skin grows so we don't have this problem.
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