"Animal Reproduction" PPT courseware

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"Animal Reproduction" PPT courseware

The concept and meaning of reproduction

Reproduction means that animals create individuals of the same kind by giving birth to babies or laying eggs, so that the species can continue to exist.

Butterflies reproduce by laying eggs. What other animals, like butterflies, also reproduce by laying eggs?

Butterfly lays eggs on leaves

The hen lays her eggs in the grass

The reproductive method in which animals lay eggs outside their bodies and then hatch into small animals is called oviparous reproduction. During the incubation period, oviparous animals rely on the nutrients provided by the eggs themselves to develop.

A dog's fetus is born after the mother's body is fully developed. What other animals are born in the same way as dogs?

Ewe and newborn lamb

Mother rat and newborn rat

After the fetus of an animal is fully developed in the mother's body, it produces a new method of reproduction, which is called viviparous birth. The fetus of a viviparous animal develops in the mother's body using the nutrients provided by the mother's body.

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"Animal Reproduction Activities" New Life PPT download:

"Reproductive Activities of Animals" New Life PPT Download Part One Content: New Knowledge Explanation 1. Reproductive Activities of Oviparous Animals Courtship, Mating, Building Nests, Laying Eggs, Hatching, and Brooding Many activities of animals are to prepare for reproduction. Courtship, mating, building nests, laying eggs, hatching, and brooding. two,..

"Animal Reproductive Activities" New Life PPT:

"Animal Reproductive Activities" New Life PPT Part One: Reproductive Activities of Oviparous Animals Many animals reproduce by laying eggs. Many of the activities of animals are in preparation for reproduction. The stamens of plants are divided into stamens and pistils. Flowers produced by stamens..

"Animal Reproduction" New Life PPT Courseware 3:

"Animal Reproduction" New Life PPT Courseware 3 Pre-lesson Review What are the ways that plants spread seeds? Ejection propagation (autotransmission) Animal propagation Water propagation Wind propagation If you were a seed, which propagation method would you choose? What characteristics do you need to have? ..

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Update Time: 2024-11-24

This template belongs to science courseware E-education edition fifth grade science volume 2 industry PPT template

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