Provide appropriate technical term in the space provided. (a) Blood-filled cavity in arthropods .
Channel: Doubtnut
Date: 2020-01-19

Provide appropriate technical term in the space provided. (a) Blood-filled cavity in arthropods . . . . . . . . . . (b) Free-floating form of cnidaria . . . . . . . . . . . (c ) Stinging organ of jelly fishes . . . . . . . . . . (d) Lateral appendages in aquatic annelids . . . . . . . . . . .