OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An infection in the intestinal tract
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Two organisms competing for the same food source
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Any organism that feeds on rotting plant matter
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A relationship where one organism feeds off another organism
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Detailed explanation-1: -Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has characterised parasites as “predators that eat prey in units of less than one".
Detailed explanation-2: -A parasitic relationship is one in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death. The parasite lives on or in the body of the host. A few examples of parasites are tapeworms, fleas, and barnacles.
Detailed explanation-3: -Parasitism is a non-mutual symbiotic feeding relationship between species where one species (the parasite) benefits at the expense of the other (the host) causing harm. It can occur in both the Animal and Plant Kingdoms.