Pupa:
Inactive, internal reorganisation and resist adverse conditions.
iv.
Adult:
Active, reproduce and disperse
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As the larval and adult food sources are different, competition for food is less.
9. Defense mechanisms:
By using the following defense mechanisms, insects escape from the
enemies to increase their survival rate.
i.
Behavioural:
Thanatosis - insects pretends as if dead. e.g. some beetles.
ii.
Structural
e.g. hardened forewings of beetles known as
elytra
protect the beetles from
predation of birds.
iii.
Colourational:
Presence of protective colours. e.g.Stick insects
iv.
Chemical:
Presence of defensive chemicals. e.g. Bees producing venom
10.
Hexapod locomotion:
Insects uses 3 legs at a time during locomotion, while the
remaining 3 legs are static, which gives greater stability.
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