Hydra, genus of invertebrate freshwater animals of the class Hydrozoa (phylum Cnidaria).
What is the kingdom and phylum of Hydra?
KingdomAnimaliaanimals. PhylumCnidariacorals, sea anemones, jellyfish, and relatives. Cnidaria: information (1)Cnidaria: pictures (133)Cnidaria: specimens (7) ClassHydrozoa.
What type of cell is Hydra?
Hydra contains epithelial cells as well as a multipotent interstitial cell (I-cell) that gives rise to nematocytes, nerve cells, gland cells, and germ-line cells.
What level of organism is Hydra?
Hydra has reached the tissue grade of organization, but it lacks organs. It consists of a tube about 5 mm long formed by two epithelial layers (endoderm and ectoderm). It has a head consisting of a mouth surrounded by a ring of tentacles at one end and an adherent disk, the foot, at the other end.