Question

Which one of the following is most appropriately defined?

• A. Host is an organism which provides food to another organism.
• B. Amensalism is a relationship in which one species is benefited whereas the other is unaffected.
• C. Predator is an organism that catches and kills other organism for food.
• D. Parasite is an organism which always lives inside the body of other organism and may kill it.

Answer 1

The correct option is C

Predator is an organism that catches and kills other organism for food.

The correct option is C.

The explanation for the correct option:

1. Predation occurs when one organism, the predator, captures, kills, and consumes another organism, the prey.
2. Predators are usually carnivorous creatures, however they can also be herbivores that eat whole plants or seeds.

The explanation for the incorrect option:

Option A:

In parasitism, one organism feeds on the nutrients of another, known as the host.

Option B:

One species is inhibited in amensalism, whereas other species are neither benefitted nor inhibited.

Option D:

The parasite cannot harm the host as long as it is living on it; otherwise, the parasite would be denied of food and shelter and may die.

Final Answer : Predator is an organism that catches and kills other organism for food.