Question

name the excretory organs of arthropods and coelenterates

Answer 1

Arthropodes-malphigian tubules......coelenterates by simple diffusion(through there mouth)

Answer 2

Arthropods : The excretory system of the adult Prawn (crustacean) consists of a pair of antennary or green glands, a pair of lateral ducts and a single renal sac.Insects, centipedes, millipedes and arachnids like scorpion and spider posses Malpighian tubules as their principalexcretory organs.

Sponges, echinoderms and coelenteratesexcrete their wastes through diffusion. Platyhelminthes use flame cells for excretion. Nematodes have canals and tube as excretory system. Nephridia is the excretory organ of annelids.