Difference between revisions of "Amphibian Reproduction - Anatomy & Physiology"
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= Reproductive Traits = | = Reproductive Traits = |
Revision as of 11:38, 23 July 2008
Introduction
Reproductive Traits
Amphibian reproduction can by classified by primitive traits that are shared by most fish.
Oviparous
- Lay eggs with little or no embryonic development within the mother.
- Eggs laid singly,in clusters or in strands depending on the species of amphibian.
Anamniotic Eggs
- No shell.
- Require moisture as there is only a single membrane around the embryo.
- Amnion is absent.
Cloaca
- Shared urinary, reproductive and excretory channel.