CATDOLL : CATDOLL: Do locusts reproduce sexually?

CATDOLL: Do locusts reproduce sexually?

Do locusts reproduce sexually?

Test points: The difference between sexual reproduction and asexual reproduction and their application Special topic: Analysis: Sexual reproduction is a reproductive method in which sexual reproductive cells produced by the parents, after the combination of male and female reproductive cells, become fertilized eggs, and then the fertilized eggs develop into new individuals. Asexual reproduction is a method in which the mother directly produces new individuals without the combination of reproductive cells. Oviposition is a reproductive method in which the mother produces egg cells and the father produces sperm, and the egg cells and sperm combine to form fertilized eggs, and then the fertilized eggs develop into new individuals. The incomplete metamorphosis process of locusts is egg, nymph, and adult. Therefore, locusts are all oviposition reproduction in sexual reproduction that develops from fertilized eggs. Therefore, the answer is: A. Comments: The key to answering this question is to know the concepts of sexual reproduction and asexual reproduction and the reproduction method of locusts.

How do locusts produce offspring?

(1) Use words and arrows to indicate the stages of locust development: fertilized egg → larva → adult. This development process is an incomplete metamorphosis.

(2) Locusts reproduce by laying eggs.

(3) The development of the silkworm goes through four stages: egg, larva, pupa and adult. The difference between the larvae and the locust is that the silkworm has an additional pupal stage. Therefore, the metamorphosis of the silkworm is called complete metamorphosis.

Therefore, the answer is: (1) fertilized egg → larva → adult; incomplete metamorphosis

(2) Oviparous

(3) Pupa; complete metamorphosis

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