Standard Science Primary 6 Interactions

Study the food web below. What would happen if the population of Organism Z suddenly decreases?

A Population of V will remain same
B Population of W will decrease
C Population of X will increase
D Population of Y will increase
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Worked Solution

Step 1: Identify the roles. If Z is a predator of Y, fewer Z means less predation on Y. Step [2-9]: Therefore, the population of Y will increase.

Correct answer: Population of Y will increase

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