How do earthworm tunnels help plants?
Listen to an Oral Presentation · ELPAC Grade 2 listening. The correct answer, and the reasoning behind it.
A presentation on an academic topic, followed by three or four questions.
Listen to Lucia give her report to the class. Then answer the questions.
Earthworms
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Show transcript
Hello, everyone. My name is Lucia. My report is about earthworms and how they help plants.
Earthworms live under the ground. They do not have eyes, but they can feel light on their skin. Light tells them to stay underground.
As earthworms dig, they make little tunnels in the soil. Air and water move down the tunnels to the roots of plants.
Earthworms also eat old leaves. What they leave behind makes the soil rich, so plants grow better.
After a big rain, you may see earthworms on the sidewalk. Wet ground keeps their skin damp, so they can crawl far and find a new place to live.
The question
Choose the best answer.
How do earthworm tunnels help plants?
- They let air and water reach the roots.Correct answer
- They keep the sun off the leaves.
- They give birds a place to look for food.
- They hold old leaves under the ground.
Why “They let air and water reach the roots.” is correct
This is a cause-and-effect detail stated in the middle of the report: air and water move down the tunnels to the roots. The leaves answer mixes in a different fact about what earthworms eat. Ask your child what moves down the tunnels and where it goes.
Why the other answers are wrong
- They keep the sun off the leaves. — The tunnels are under the ground, so they cannot shade leaves.
- They give birds a place to look for food. — Birds are not in the report.
- They hold old leaves under the ground. — Earthworms eat old leaves. That makes the soil rich, but it is not what the tunnels do.
Practice more of this
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