Arthropoda pass through various stages of development before they reach their adult
stage. This process is called metamorphosis.
This process is of two types: -
Complete Metamorphosis: -
This process can be seen in the lifecycles of fly, mosquito, butterfly etc. This process
completes in four stages i.e. Egg-Larva-Pupa-Adult. Larva hatches from egg. Larva
feed and becomes pupa. With the passage of time it take the shape of their parent.
Incomplete Metamorphosis: -
In this process three stages are present. Egg-Nymph-Adult. Nymph hatches form egg
lack of wing. With the passage of time it becomes adult animal.