By being fictional. There's no such thing.
The hydras teeth were chucked into the ground which then reproduced skeletons (hydras children)
hydras are not real as are dragons
The hydras are gone.
there is not even hydras on clubpenguin
hydras
there lifespan of 12 years but they could live up to 25 years
hydras have testes to produce and release sperm and ovaries to produce and release eggs
Yes.
They are gone.
The kingdom is animalia.
hydras carry out asexual reproduction (binary fission) whereas mammals carry out sexual reproduction (mating)
invertibrates