Standard Science Primary 6 Interactions

Study the food web. If all the spiders are removed, which population is likely to increase first?

A Aphids
B Plants
C Ladybirds
D Birds
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Worked Solution

Step 1: Spiders are predators of ladybirds in this food web. Step [2-9]: Removing the predator (spiders) reduces predation pressure. Step [2-9]: The ladybird population will increase because they are no longer being eaten by spiders.

Correct answer: Ladybirds

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