All of the following in arthropods helps for excretion EXCEPT-


A. Malpighian tubules


B. Green glands


C. Coxal glands


D. Flame cells



Which is ‘true jellyfish’?

A. Cubozoa B. Scyphozoa C. Staurozoa D. Hydrozoa ANSWERB. Scyphozoa.Cubozoa—box jellyfishScyphozoa—true jellyfishStaurozoa—stalked jellyfishHydrozoa—small jellyfish

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