In earthworm, excretion takes place through:
Correct answer: C. Metanephridia
- A. Kidneys
- B. Protonephridia
- C. Metanephridia
- D. Protostomium
Explanation
Earthworms excrete waste through a system of structures called metanephridia. These are specialized tubules that filter waste from the body fluid and expel it through openings called nephridiopores.
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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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