An organism that lives on the body of another animal and sucks its blood to obtain nutrition is an ______

ectoparasite

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endoparasite

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saprophyte

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pesticide

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Solution

The correct option is A. ectoparasite

Louse, bed-bug, ticks, etc., are found living on the body of other animals. They derive nutrition directly from them by sucking their blood. They are called ectoparasites.
Whereas a few other organisms like tapeworm lives inside the body of the host and derive nutrition by sucking the host blood. These organisms are called endoparasites.
Fungi like yeast, mushroom, etc., feed on dead and decaying matter and they are called saprophytes.
A pesticide is any substance used to kill, repel, or control certain forms of plant or animal life that are considered to be pests.

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