Nephridia are the excretory organs of members of which phylum?
Correct answer: C. Annelida
- A. Arthropoda
- B. Cnidaria
- C. Annelida
- D. Mollusca
Explanation
Nephridia are the excretory organs present in annelids such as earthworm. Flatworms, cephalochordate, rotifers contain protonephridia or flame cells for osmoregulation.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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