Amphibian Reproduction - Anatomy & Physiology

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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.

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.

Species Differences

Caecilians (Gymnophiona)

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