Hydra is negatively chemotropic because it
prefers weak light
moves away from strong light
avoids chlorinated water
moves to water of low temperature
- Hydra is negatively chemotropic because it
- Hydra prevents self fertilization by being
- Polymorphism is found in
- If nematocysts are absent in Hydra, which is affected
- Hydra respires through
- Among coelenterates medusoid individuals are absent in members of the class
- The tentacles of Hydra are
- Hydra responds to a strong mechanical stimulus such as agitating the surface of water by
- Nematocysts of Hydra are important for
- The body wall of Hydra consists of
- In Hydra, the nematocysts are abundant on
- The mesoglea present in Hydra in between epidermis and gastrodermis is
- If a Hydra is cut into two pieces, it is noted that
- The mesoglea of Hydra contains
- The mouth opens into a large single cavity in Hydra
- The small green alga that lives inside Hydra is called
- Musculo-glandular cells are found in hydra
- The body of Hydra is
- "Portuguese Man of War" is the common name for
- Polymorphism is best defined as the occurrence of
- Nutritionally Hydra is
- Strobilization is the characteristic feature of
- Brain coral is
- Pueumatophore is present in
- Body wall of coelentrates is described as
- Coral reef formation is mainly related to
- In Hydra, the physiological division of labour is exhibited by
- The nematocysts which are mainly used for defense and offense and which tightly coil around the prey…
- A chitinous material is present in the
- Enteron is divided by mesentries in