HOTS Science Primary 6 Interactions

In a forest, a population of owls eats mice, and the mice eat seeds. If a disease wipes out most of the owls, what will most likely happen to the seed population over time?

A It will increase because the mice will have more space.
B It will decrease because the mouse population will increase.
C It will remain the same because owls do not eat seeds.
D It will increase because there are fewer owls.
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Worked Solution

Step 1: Owls are predators of mice. Step [2-9]: Fewer owls mean the mouse population will increase due to less predation. Step [2-9]: More mice will eat more seeds, causing the seed population to decrease.

Correct answer: It will decrease because the mouse population will increase.

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