Standard Science Primary 6 Interactions

Study the food web below. If the population of Organism Z decreases due to a disease, which organism is likely to increase in number first?

A Organism Y
B Organism V
C Organism W
D Organism X
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Worked Solution

Step 1: Identify that Organism Z is a predator of Organism W. Step [2-9]: If the predator (Z) population decreases, there is less predation pressure on the prey. Step [2-9]: Therefore, the prey (W) will increase in number.

Correct answer: Organism W

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