Grade 6 Science & Technology · Strand 1: Living things and the Environment · Inverterbrates
Ecological Roles
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.
Try these questions
5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. How do earthworms improve crop growth in a shamba?
- A. By spinning protective silk webs across seed beds
- B. By burrowing tunnels that aerate the soil and releasing nutrient-rich droppings
- C. By transferring pollen grains between flowers
- D. By eating living plant stems and drying out the topsoil
2. A farmer in Kiambu sees honeybees visiting her passion fruit flowers. Why are the bees important to her crop?
- A. They carry pollen from one flower to another so that fruits can form
- B. They loosen the soil so that roots get more air
- C. They break down dead leaves into nutrients
- D. They eat the pests that live in the soil
3. What is the name for the transfer of pollen from one flower to another so that a plant can make seeds?
Type your answer in the lesson.
4. Look at this food chain from a Kenyan shamba: Maize leaf → Grasshopper → Weaver bird → Black kite. What is the role of the grasshopper in this food chain?
- A. Producer, because it makes its own food
- B. Primary consumer, because it feeds on plants
- C. Decomposer, because it feeds on dead matter
- D. Top predator, because it eats the black kite
5. Which of these is the correct meaning of soil aeration?
- A. Adding chemical fertiliser to the soil
- B. Letting air and water move into loose soil
- C. Moving pollen from the anther to the stigma
- D. Breaking down dead matter into nutrients
More in Inverterbrates
Ready for Ecological Roles?
Create a free account to open the lesson, take the quiz and track your progress.