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Sexual reproduction in animals HTML5

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Summary

The mode of reproduction of sexual species depends on the living conditions.

Terrestrial species develop a variety of sexual rites which lead to the coupling of male and females. Very little gametes are liberated, fertilization is internal. The embryo and the foetus develop in a protected environment within the uterus.

Aquatic species liberate a large quantity of gametes into the water. Fertilization takes place exteriorly to the female body. The development of an individual is started from the larval stage. This development is "indirect"

Click on one of the two modes of reproduction.  Close the window to go back to the initial view.

Learning goals

  • Understand the different stages of sexual reproduction of animals in terrestrial and aquatic environments
  • Understand the specifics of external and internal fertilization

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Reproduction in the terrestrial environment is represented here by mammals. For each species, the reproductive and bgestational period is specific but the method of reproduction is the same. The…

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