Question

3) Find odd one out
Hydra, Jelly fish, Sea anemone, Sea Urchin​

Answer 1

Answer:

sea urchin

Explanation:

withou it all others are from Cnideria

Answer 2

Answer:

Hydra

Explanation:

Hydra is the only one marine which lives in fresh water, While comparing to the rest, They are sea animals so, Hydra should be the one

Hydra has a tubular, radially symmetric body up to 10 mm (0.39 in) long when extended, secured by a simple adhesive foot called the basal disc. Gland cells in the basal disc secrete a sticky fluid that accounts for its adhesive properties.