ECOLOGY
ORGANISMS AND THE ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A relationship between two species in which both species benefit
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A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited
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A relationship between two organisms of different species where one benefits and the other is harmed
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An animal that hunts other animals for food
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Detailed explanation-1: -Parasitism is generally defined as a relationship between the two living species in which one organism is benefitted at the expense of the other. The organism that is benefitted is called the parasite, while the one that is harmed is called the host. A few examples of parasites are tapeworms, fleas, and barnacles.
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: -In parasitism, two species have a close, lasting interaction that is beneficial to one, the parasite, and harmful to the other, the host (+/-interaction).
Detailed explanation-4: -Parasitism: Association between two different organisms wherein one benefits at the expense of the other. All infectious agents causing illness belong to this category. Commensalism: Association between two organisms in which one derives benefit from the other without causing it any harm.