Advanced Science Primary 6 Interactions

Study the food web: Grass → Cricket → Frog → Snake. If a disease kills all the frogs, which population will most likely decrease immediately?

A Cricket
B Snake
C Grass
D Both Grass and Snake
Show Worked Solution

Worked Solution

Step 1: Identify the predator of the frog (Snake) and the prey (Cricket). Step [2-9]: If frogs die, snakes lose their food source, causing their population to decrease. Step [2-9]: Crickets lose their predator, so they would increase.

Correct answer: Snake

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