Scelta multipla
Which of the following best describes how natural selection operates?
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1. Introduction to Biology
Natural Selection and Evolution
Scelta multipla
Which of the following best describes the main difference between complete and incomplete metamorphosis in insects?
A
Both complete and incomplete metamorphosis have four distinct life stages.
B
In complete metamorphosis, the young are called nymphs, while in incomplete metamorphosis, they are called larvae.
C
Complete metamorphosis includes a pupal stage, while incomplete metamorphosis does not.
D
Incomplete metamorphosis involves a larval stage that looks very different from the adult.
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Understand the concept of metamorphosis in insects: Metamorphosis is the process of transformation that insects undergo during their life cycle, which can be categorized as complete or incomplete metamorphosis.
Define complete metamorphosis: Complete metamorphosis consists of four distinct stages—egg, larva, pupa, and adult. The larva looks very different from the adult, and the pupal stage is a resting phase where major transformation occurs.
Define incomplete metamorphosis: Incomplete metamorphosis consists of three stages—egg, nymph, and adult. The nymph resembles a smaller version of the adult and gradually develops into the adult form without a pupal stage.
Compare the two processes: The key difference is that complete metamorphosis includes a pupal stage where significant transformation occurs, while incomplete metamorphosis lacks this stage and involves gradual development of the nymph into the adult.
Identify the correct answer: Based on the definitions and comparison, the correct answer is that complete metamorphosis includes a pupal stage, while incomplete metamorphosis does not.
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