External fertilization • Wide range of aquatic animals and vertebrate species • Invertebrate-----corals, worm and mollusks ▫ Release sperm and egg to water • Chordate----non vertebrate chordate, many fish and amphibian
External fertilization• Wide range of aquatic animals and vertebrate species• Invertebrate-----corals, worm and mollusks▫ Release sperm and egg to water• Chordate----non vertebrate chordate, many fish and amphibian