Question

character of hydra and example this specimen​

Answer 1

Answer:

Hydra is a genus of small, fresh-water organisms of the phylum Cnidaria and class Hydrozoa. They are native to the temperate and tropical regions.[2][3] Biologists are especially interested in Hydra because of their regenerative ability – they do not appear to die of old age, or indeed to age at all.

Hydra species

Scientific classifications

Kingdom:

Animalia

Phylum:

Cnidaria

Class:

Hydrozoa

Order:

Anthoathecata

Family:

Hydridae

Dana, 1846

Answer 2

Answer:

• Hydra belong to phylum Colentrata
• Body of hydra is tube like
• It is posterior end is called foot or basal disc
• Anterior end show mouth
• Mouth is surrounded by six or ten tentacles
• The animal show reproductive organs like ovary and testes
• e.g. jellyfish