Are frogs asexual?


Quick Answer

Frogs are not asexual. The amphibians reproduce through external egg fertilization which happens in or very close to water. The length of time between fertilization and hatching varies by species and takes between six and 21 days.

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Full Answer

During mating, frogs assume a stance called "amplexus" in which the male frog climbs on top of the female while she lies on her back, locking his arms around her body. This bond is so strong that it is very difficult to pull the frogs apart. The pair remains in this position for up to three days. As the female produces eggs, the male fertilizes them. Females produce up to 20,000 eggs per mating session.

As the eggs leave the female frog's body, they receive a gelatinous coating that helps them float and offers a measure of protection. According to HowStuffWorks, most of these fragile eggs are eaten by animals or otherwise destroyed before they hatch.

When mature frog eggs hatch, they release tiny tadpoles. Tadpoles have gills and must remain in water to survive. After four weeks, tadpoles develop legs and gradually acquire the ability to breathe air. After three or four more weeks, the tadpoles sprout arms. The arms develop within the tadpole’s body until they are so large that they explode out from beneath the skin.

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