KnowraExternal fertilizationLinked fromLinked fromThe 26 pages that link to External fertilization, each with the reason it gives.All 26Related 17Narrower topic 1Compared with 8OviparityCompared with: Many aquatic oviparous animals release eggs before or alongside external fertilization.IncubationCompared with: Fertilization precedes incubation; the two processes concern different stages of reproduction.Internal fertilizationCompared with: It is the main alternative, exposing gametes to the external environment.Reproductive systemCompared with: It contrasts with systems that bring gametes together inside an organism.SalamanderCompared with: Most salamanders instead use internal sperm transfer, often through a spermatophore.SpermatophoreCompared with: Unlike externally released gametes, a spermatophore packages sperm for transfer.CopulationCompared with: Many animals reproduce without copulation by releasing gametes into the environment.Animal embryonic developmentCompared with: Many aquatic animals begin embryonic development in the surrounding environment.