Question : What type of body plan do the following animals have :hydra, sponge, flatworms, roundworms, jellyfish, earthworm, spiders, sea horse, frog, sparrow?

Question : What type of body plan do the following animals have :hydra

1.	Question : What type of body plan do the following animals have :hydra, sponge, flatworms, roundworms, jellyfish, earthworm, spiders, sea horse, frog, sparrow?
Answer» Solution :(i) Cell aggregate plan-sponge, (ii) Blind sac plan–Hydra, flatworms, JELLY fish, (iii) Tube-within-a-tube plan-round WORMS, earthworm, SPIDERS, SEA horse, frog,sparrow.