mutualism
The main difference between Hydra 10 and Hydra 20 is their capacity. Hydra 10 has a capacity for 10 gallons, while Hydra 20 has a capacity for 20 gallons. This means Hydra 20 can filter a larger volume of water compared to Hydra 10.
A hydra typically has between 5 to 9 heads.
A Hydra is a mythical creature. Hydras aren't real.
mutalism
1v1 me irl
Hydra or Hydra
what is a hydra
dip
The fertilization occurs externally
Hercules
No. Arthropods are members of the phylum Arthropoda; but hydrae are members of the phylum Cnidaria. The closest to a "common" term for animals in this phylum that exists is "cnidarians".
ANTLIA