Which of the following can be truly considere | vedclass

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(C) parasite is an organism that lives on or inside another organism (the host) and causes harm to it while deriving nutrition.$A$. The female Anophel

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Head louse living on the scalp and laying eggs in human hair.

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(C) parasite is an organism that lives on or inside another organism (the host) and causes harm to it while deriving nutrition.$A$. The female Anopheles mosquito is a vector, not a parasite, as it only takes a blood meal for egg production.$B$. $A$ human fetus is not a parasite because it is a member of the same species and is a natural developmental stage, not an external organism causing harm.$C$. The head louse $(Pediculus 	ext{ } humanus 	ext{ } capitis)$ is a true ectoparasite because it lives on the host's body, feeds on the host's blood, and causes irritation/harm.$D$. The cuckoo is an example of brood parasitism, but the question asks for a biological parasite in the context of host-parasite interaction where the parasite lives on/in the host. Among the choices, the head louse is the most accurate example of a permanent ectoparasite.

Which of the following can be truly considered a parasite?

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