Quiz

Quiz: Earthworms

3 questions · Pass at 70% · +30 pts on first pass

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Question 1 · Multiple choice — select all that apply

Which soil ecosystem services do earthworms contribute to?

They create channels that improve water infiltration and soil aeration. They mix and redistribute soil particles and organic material. They fix atmospheric nitrogen. They break down and transform organic material.

Question 2 · Single choice — select one

Match the earthworm type to its primary burrowing and feeding strategy.

Ecological group	Burrowing and feeding strategy
1. Epigeic	A. Builds horizontal burrows and feeds within the topsoil layer.
2. Endogeic	B. Breaks down leaf litter and resides on the soil surface.
3. Anecic	C. Builds deep vertical burrows and carries surface litter deep into the soil.

1A, 2B, 3C 1C, 2A, 3B 1B, 2A, 3C 1A, 2C, 3B

Question 3 · Single choice — select one

Imagine that you want to count earthworms with a friend or family member. How would you proceed? Choose the correct order of steps.

Step 1: B, Step 2: D, Step 3: A, Step 4: C Step 1: A, Step 2: D, Step 3: A, Step 4: B Step 1: A, Step 2: B, Step 3: D, Step 4: C Step 1: D, Step 2: B, Step 3: C, Step 4: A