Question

which animal can change its gender

Answer 1

Clownfish

Clownfish, wrasses, moray eels, gobies and other fish species are known to change sex, including reproductive functions. A school of clownfish is always built into a hierarchy with a female fish at the top. When she dies, the most dominant malechanges sex and takes her place.

Answer 2

snail can change its gender and then give birth to a child