iStarSign inScience 7 · Unit 7: Microorganisms in the environment · Cambridge Lower Secondary Science Stage 7
7.2 Food chains and webs
16 questions · e.g. Which is the producer?
Questions
1. In a food chain, what do the arrows show?
- the flow of energy from one organism to the next
- which organism eats the one the arrow points to
- where the organisms live
- which organism is bigger
📖 This question is about a text that students read in the app.
2. In the Arctic food chains, which organisms are the producers?
- Arctic willow, purple saxifrage and grasses
- snowy owl and gyrfalcon
- Arctic hare and Arctic fox
- Arctic wolf only
📖 This question is about a text that students read in the app.
3. In the Arctic food chains, what is the Arctic hare?
Check📖 This question is about a text that students read in the app.
4. In the Arctic food chains, which animals eat Arctic hares?
- snowy owl and Arctic fox only
- Arctic willow and grasses
- Arctic wolf only
- snowy owl, Arctic fox, gyrfalcon and Arctic wolf
📖 This question is about a text that students read in the app.
5. In the Arctic food chains, what does the Arctic wolf eat?
Check6. Why do you need to draw the Arctic hare only once in the food web?
- There is only one Arctic hare in the Arctic.
- Hares are not important.
- A food web joins all the chains, so each organism appears once.
- Hares are producers.
7. In the sea grass food web, sea urchins and pen shells eat sea grass. What are they?
Check8. Phytoplankton are eaten by sea urchins, queen conch and pen shells. What are phytoplankton?
Check9. Which organisms are the producers in the sea grass food web?
- helmet snails and stingrays
- sea urchins and pen shells
- humans and queen conch
- sea grass and phytoplankton
10. Helmet snails and stingrays eat sea urchins and pen shells. What are they?
Check11. In the sea grass food web, which way does the arrow between sea urchins and stingrays point?
Check📖 This question is about a text that students read in the app.
12. On the African plains, which organisms are the producers?
Check📖 This question is about a text that students read in the app.
13. On the African plains, which animal is a herbivore?
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14. On the African plains, which animals are carnivores?
- grass rats and locusts
- giraffes, impala and locusts
- wild dogs, cheetahs, lions, birds and eagles
- acacia trees and grass
📖 This question is about a text that students read in the app.
15. Locusts eat grass, many birds eat locusts and eagles eat birds. Which arrow is correct?
Check📖 This question is about a text that students read in the app.
16. Which animals do lions eat on the African plains?
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