A is an insect which breeds in ponds of stagnant water. The egg of this insect produces a worm like form B which is entirely different in appearance from the adult insects. The form B undergoes a change C and gets converted into insects A. The female of insects A is a carrier of protozoan D which spreads a disease in humans.
(a) What are A, B, C, and D ?
(b) Name another insect which also undergoes change C.
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A is mosquito, B is larva, C is metamorphosis, D Plasmodium.
Explanation:
Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation. Mosquito larvae, commonly called "wigglers," live in water from 4 to 14 days depending on water temperature.
(a) A is mosquito, B is larva, C is metamorphosis, D Plasmodium.
(b) Butterfly is another insect that undergoes metamorphosis.
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