Which of the following is not a parasite?
Correct answer: A. Porifera
- A. Porifera
- B. Platyhelminths
- C. Annelids
- D. Nematode
Explanation
Annelids, nematodes, and platyhelminths are segmented, round, and flatworms respectively. Additionally, all three types of organisms have a parasitic mode of life for the most part. Porifera, also called sponges, are the simplest living organisms. They are aquatic and not parasitic in nature
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