Animal reproductive system

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Diagram comparing reproductive pathways: arrows show sexual reproduction forming a diploid zygote from oocyte and sperm, haploid parthenogenesis forming a haploid individual, and two types of diploid parthenogenesis-automixis and apomixis-both resulting in diploid individuals. Symbols indicate haploid and diploid stages.

Which mammals have the shortest and longest gestations

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animal reproductive system summary

Animal reproductive system: Media

anatomy

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Which mammals have the shortest and longest gestations

Which mammals have the shortest and longest gestations

Learn how the length of gestation varies among animals such as elephants and opposums.

Video: Encyclopædia Britannica, Inc.

Images

Diagram comparing reproductive pathways: arrows show sexual reproduction forming a diploid zygote from oocyte and sperm, haploid parthenogenesis forming a haploid individual, and two types of diploid parthenogenesis-automixis and apomixis-both resulting in diploid individuals. Symbols indicate haploid and diploid stages.

sexual reproduction and parthenogenesis compared

The process of sexual reproduction and several forms of parthenogenesis.

Encyclopædia Britannica, Inc.

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