Q. 35.0( 1 Vote )
List the excretory organs of invertebrates in relation with the animals.
Excretory organs of invertebrates in relation with animals are:
i. Phylum Protozoa: Excretion of waste (carbon dioxide and ammonia) takes place by the process of diffusion through body surface. There are no specific excretory organs. For example- amoeba
ii. Phylum Porifera: Pore-bearers excrete through osculum.
iii. Phylum Plathyelminthes: Flat worms excrete through flame cells.
iv. Phylum Annelida: Nephridia are excretory structures and help to remove metabolic wastes. For example- Earthworm
v. Phylum Arthropoda: Excretion occurs through malphigian tubules. For example: Coackroaches Excretory organs of prawn are green glands
vi. Phylum Echinoderamata: Excretory organs are absent.
vii. Phylum Coelenterata: There are no particular excretory organs. Excretion takes place by the process of diffusion. For example: Hydra
viii. Phylum Mollusca: Eexcretion takes place through one or two pairs of kidneys present in them.
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