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sperm
It doesn't have one ! Earthworms are hermaphrodites - possessing male and female reproductive systems. During 'mating' they exchange sperm with each other. Subsequently, they both lay eggs which develop into tiny worms.
It means something that produces both sperm and eggs. Take for example the earthworm. It produces eggs and sperm but CANNOT fertilise itself. During 'mating' two worms exchange sperm so they fertilise each other.
by mating
It holds the male and female reproductive organs.
if a male is separeted during mating it can die
By opening and closing the stomata on the underside of the leaves.
A peacock is male and a peahen is the female. A peahen cannot get pregnant without mating. The process includes the birds mating and then the female laying eggs.
Nope - Earthworms are hermaphrodites - in that they have both male and female reproductive organs. During mating they exchange sperm - and lay eggs a few days later which hatch into tiny earthworms.
During the mating season Amphibians males out number the females by 10 to 1
they mate
Called setae, the tiny bristles on each segment of a worm help it move through soil as well as grip another worm when mating.