GCSE Biology – Sustainable fisheries

Last updated: 04/05/2020

Edexcel GCSE Science – Biology higher Ecosystems and material cycles GCSE Biology – Sustainable fisheries

Learning Objectives

-I can describe the need for sustainable fisheries
-I can explain the methods used to keep fish stocks at a sustainable level

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Question 1 of 25

1. Question
Where does fishing take place?
- Oceans
- Land
- Volcanoes
- Rain forests
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Question 2 of 25

2. Question
What is sustainable fishing?
- Fishing that does not reduce overall fish populations
- Fishing that reduces overall fish populations
- Fishing that reduces overall plant populations
- Fishing that does not reduce overall plant populations
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Question 3 of 25

3. Question
What could extinction of fish cause?
- A reduction in food security for humans
- An increase in food security for humans
- No change to humans
- Complete food insecurity for humans
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Question 4 of 25

4. Question
Why does sustainable fishing not reduce fish populations?
- As the number of fish caught never exceeds the birth rate
- As the number of fish caught exceeds the birth rate
- As the number of fish caught exceeds the death rate
- As the number of fish caught sometimes exceeds the death rate
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Question 5 of 25

5. Question
What happened before the fishing regulations?
- We drastically overfished
- We underfished
- We slightly underfished
- We drastically underfished
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Question 6 of 25

6. Question
Why is our fishing now sustainable?
- There is no overfishing
- There is little overfishing
- There is underfishing
- There is lots of overfishing
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Question 7 of 25

7. Question
What does overfishing mean?
- Fishing that reduces overall fish populations
- Fishing that reduces overall plant populations
- Fishing that does not reduce overall fish populations
- Fishing that does not reduce overall plant populations
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Question 8 of 25

8. Question
What does overfishing cause?
- Critically low populations of fish
- Critically low populations of humans
- Critically low populations of plants
- Critically high populations of fish
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Question 9 of 25

9. Question
What could further overfishing cause?
- Extinction of fish species
- Extinction of humans
- Extinction of plants
- A large growth in fish species
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Question 10 of 25

10. Question
What percentage of the world’s fish populations have been overfished?
- 85%
- 3%
- 5%
- 1%
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Question 11 of 25

11. Question
What were the rules on fishing previously?
- There were no regulations
- There were few regulations
- There were lots of regulations
- There were harsh regulations
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Question 12 of 25

12. Question
What have some governments introduced to address overfishing?
- Fish quotas
- Plant quotas
- Maximum fish sizes
- Maximum fish weights
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Question 13 of 25

13. Question
What are fish quotas?
- A limit on the amount of fish that can be caught
- A minimum amount of fish that can be caught
- A limit on net size
- A limit on net hoes
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Question 14 of 25

14. Question
How do fish quotas help fish populations?
- Less fish are caught
- More fish are caught
- Smaller fish are caught
- More species of fish are caught
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Question 15 of 25

15. Question
What do fish quotas do to biodiversity?
- Increase biodiversity
- Decrease biodiversity
- Get rid of biodiversity
- Do not effect biodiversity
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Question 16 of 25

16. Question
Why do fish quotas increase biodiversity?
- As the food chain is still complete
- As the food chain is now broken
- As the food chain has been altered
- As a species has been taken out of the food chain
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Question 17 of 25

17. Question
What is a problem with using fish quotas?
- People placing dead fish back into the water
- Expensive to draw up
- Nothing
- Doesn't work for larger fish
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Question 18 of 25

18. Question
What is a problem with using fish quotas?
- People ignoring
- Doesn't work for smaller fish
- Nothing
- Does not work for both
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Question 19 of 25

19. Question
How can overfishing be reduced?
- Bans during the breeding season
- Bans during the non-breeding season
- Encourage more fish to mate
- Remove all fish from the ocean
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Question 20 of 25

20. Question
What has happened to fishing nets?
- Their holes have got smaller
- Their holes have got larger
- Their holes have gone
- They now have holes
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Question 21 of 25

21. Question
Why do fishing nets now have larger gaps?
- To ensure only large fish are caught
- To ensure all fish are caught
- To ensure only small fish are caught
- To ensure only young fish are caught
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Question 22 of 25

22. Question
How do large holes in fishing nets help fish populations?
- Young fish can have offspring before death
- Old fish can have offspring before death
- All fish survive
- The rate of reproduction is decreased
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Question 23 of 25

23. Question
What does letting young fish live cause?
- Fish populations to increase
- Fish populations do not change
- Fish populations to decrease
- Fish populations are now 0
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Question 24 of 25

24. Question
Overall, what is happening to fish stocks in oceans?
- Fish stocks are declining
- Fish stocks are not changing
- Fish stocks are constant
- Nothing
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Question 25 of 25

25. Question
If one member of a food chain is killed, what happens?
- All other members of the food chain are affected
- Only the producers of the food chain are affected
- Only the apex predator is affected
- Only the primary consumer is affected
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