Hydra is a genus of small, freshwater animals of the phylum Cnidaria and class Hydrozoa. They exist in polyp form, which is a radially symmetrical cylinder that is attached to the substratum at one end and has a mouth surrounded by tentacles at the other. The body of hydra has tentacles, a mouth, epidermis, a gastrovascular cavity and reproductive parts.

Learning Objectives:

After completing this module, you will be able to:
- Identify different parts of a Hydra.
- Assemble those parts to construct a Hydra.

Keywords Gastrovascular Cavity Of Hydra , Tentacles Of Hydra , Outer Layer Of Hydra , Inner Layer Of Hydra , Foot Of Hydra , Mouth Of Hydra , Structure Of Hydra , Cnidaria
Controller Required Yes
Languages English - US , 中文 , عربي , Español , Tiếng Việt
Domain K-12
Topic Code HS100093
Devices Google Cardboard with controller , Google Daydream , Samsung Gear VR , Oculus Go , Pico Goblin , EduPro , WebXR