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Question: 1 / 140

Which of the following insects undergoes gradual metamorphosis?

Beetles

Mosquitos

Cockroaches

Insects that undergo gradual metamorphosis, also known as hemimetabolism, experience three main stages in their life cycle: egg, nymph, and adult. The nymphs resemble miniature adults and gradually develop into full-grown adults through a series of molts, without a distinct pupal stage.

Cockroaches exemplify this type of metamorphosis. After hatching from eggs, they emerge as nymphs that look similar to adults but are typically smaller and lack fully developed wings and reproductive organs. As they molt several times, they grow larger and progressively acquire the characteristics of adults. This process continues until they reach maturity, at which point they can reproduce.

In contrast, beetles, mosquitoes, and flies undergo complete metamorphosis, characterized by four distinct life stages: egg, larva, pupa, and adult. This type of metamorphosis involves significant changes during the pupal stage, where the insect undergoes transformation and emerges in its adult form, which is markedly different from the earlier life stages.

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