1. Capacity for flight:
Insects posess wings, which is the lateral extension of exoskeleton.
Insects are the earliest animals and the only flying invertebrates. Flight is used for the
following purpose.
i.
To seek food, mate, shelter and oviposition sites
ii.
To colonize in a new habitat and also to exchange habitat.
iii.
To escape from enemies and unfavourable conditions.
iv.
To migrate (i.e. for long distance travel e.g. Locusts)
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