Grade 6 Science & Technology · Strand 1: Living things and the Environment · Inverterbrates
Study of Snails and Worms
A short Grade 6 Science & Technology lesson for the CBE curriculum, part of Living things and the Environment: Inverterbrates. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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1. How does an earthworm take in oxygen?
- A. Through gills on its sides
- B. Through lungs in its chest
- C. Through its thin, moist skin
- D. Through small holes called spiracles
2. What are two main functions of a snail's muscular foot?
- A. Gliding and producing mucus
- B. Biting leaves and smelling food
- C. Seeing light and grasping prey
- D. Building the shell and breathing
3. In an investigation with a tray having a moist, dark side and a dry, bright side, where would most earthworms be found after some time, and why?
- A. On the dry, bright side, because they need sunlight to breathe
- B. On the moist, dark side, because it stops their skin drying out
- C. On the dry, bright side, because they feed on light
- D. Spread evenly, because worms do not respond to conditions
4. Which feature is found in earthworms and is used to grip the soil as the body moves forward?
- A. Radula
- B. Setae (bristles)
- C. Clitellum
- D. Tentacles
5. What name is given to the rough ribbon with tiny teeth that a snail uses to scrape plant material?
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