'Hermaphroditism' diaporamas de présentation

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Chapter 46 Animal Reproduction

Chapter 46 Animal Reproduction. By: Audrey Del Re and Becca Krauss. Two Types of Reproduction. Asexual - involves two-step process: fragmentation & regeneration. Sexual - Majority of eukaryotic species reproduce sexually - fusion of haploid gametes forms diploid cell, zygote.

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A Recap Regarding Senescence

A Recap Regarding Senescence. Selection is more powerful in the stages up to the age of peak reproductive value If a pleiotropic gene is introduced that gives an benefit early in life, at the expense of a cost much later on, than it will be selected

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Reproduction & Spawning

Reproduction & Spawning. Reproductive strategies Sex determination Spawning behaviors. Reproductive strategies. No general evolutionary trend from primitive to advanced groups All strategies are valid and evolutionary adaptive. Reproductive strategies-1.

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