Advanced Science Primary 6 Interactions

A certain species of bird follows cattle in a field and eats the insects that the cattle stir up from the grass. The cattle are not affected. What type of interaction is this?

A Parasitism
B Commensalism
C Mutualism
D Predation
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Worked Solution

Step 1: Identify the beneficiaries. The bird benefits (food). Step [2-9]: Identify if any are harmed. The cattle are not affected. Step [2-9]: An interaction where one benefits and the other is neutral is commensalism.

Correct answer: Commensalism

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