GCSE Earth and Space – Extinction – Primrose Kitten

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GCSE Earth and Space – Extinction

Last updated: 21/03/2021

GCSE Science – Irish Junior Cycle (Biology, Chemistry, Physics, Earth and Space) Human impacts on Earth GCSE Earth and Space – Extinction

Learning Objectives

-I can define the term “extinct”
-I can describe and explain ways in which species become extinct

Time limit: 0

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Question 1 of 24

1. Question
What is extinction?
- When there are no individuals of a species still alive
- When there are only small numbers of species left
- When only some species have no numbers left
- None of the above
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Question 2 of 24

2. Question
Why might extinction occur?
- If the environment changes too quickly
- If the environment changes too slowly
- If the environment does not change
- If the environment runs out
Correct

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Question 3 of 24

3. Question
Why else might extinction occur?
- A catastrophic event occurs
- A non-catastrophic event occurs
- If the environment does not change
- If the environment runs out
Correct

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Question 4 of 24

4. Question
Why else might extinction occur?
- If a new disease occurs
- If an old disease returns
- If the environment does not change
- If there is more reproduction in the species
Correct

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Question 5 of 24

5. Question
Why else might extinction occur?
- A new predator kills them
- If the environment changes too slowly
- If there are not enough predators
- If there are no predators
Correct

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Question 6 of 24

6. Question
Why else might extinction occur?
- If a new species inhabits the environment
- If another species leaves the environment
- If the environment does not change
- If there is more reproduction in the species
Correct

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Question 7 of 24

7. Question
Why do environmental changes cause extinction?
- As the species is not adapted to the environment
- As the species has too much competition
- As the species is adapted to the environment
- As the species contracts disease
Correct

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Question 8 of 24

8. Question
Why does new predation cause extinction?
- As the population is eaten
- As the population eats the predators
- As less reproduction occurs
- As more reproduction occurs
Correct

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Question 9 of 24

9. Question
Why does disease cause extinction?
- As the disease kills most of the organisms
- As the disease only kills some of the organisms
- As there are less predators
- As there are more predators
Correct

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Question 10 of 24

10. Question
Why might a new species cause extinction?
- As the new species might outcompete the food
- As the new species might be killed
- As the new species might not reproduce
- As the old species might get more food
Correct

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Question 11 of 24

11. Question
Why does a catastrophic event cause extinction?
- As all the organisms are killed
- As no organisms are killed
- As the environment has changed
- As the environment has not changed
Correct

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Question 12 of 24

12. Question
Why can species often not prevent extinction?
- As the environment changes too quickly for evolution to keep up
- As evolution is a fast process
- As the environment does not change
- As the environment changes too slowly for evolution to occur
Correct

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Question 13 of 24

13. Question
What type of biological class becomes extinct?
- Species
- Population
- Gender
- Individual
Correct

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Question 14 of 24

14. Question
How might an environment change too quickly?
- Temperature might rise too quickly
- Other species might inhabit the area
- An asteroid collision could occur
- A new disease could occur
Correct

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Question 15 of 24

15. Question
How else might an environment change too quickly?
- Rainfall levels might decrease
- Rainfall levels might not change
- There might be a new disease
- There might be a catastrophic event
Correct

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Question 16 of 24

16. Question
What do generations evolve to have after a new predator is brought about?
- Protective mechanisms
- Predative mechanisms
- Faster respiration
- Slower movements
Correct

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Question 17 of 24

17. Question
How do species try to prevent extinction?
- By evolving protective features
- By getting protective features by artificial selection
- By getting protective features by GM
- By getting protective features by genetic engineering
Correct

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Question 18 of 24

18. Question
Give an example of a species which is extinct
- Tasmanian tigers
- Humans
- Cows
- Butterflies
Correct

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Question 19 of 24

19. Question
Give an example of a species which is extinct
- T-Rex
- Humans
- Crickets
- Cows
Correct

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Question 20 of 24

20. Question
Give an example of a species which is not extinct
- Humans
- Tasmanian tigers
- Dodos
- Woolly Mammoth
Correct

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Question 21 of 24

21. Question
Give an example of a species which is not extinct
- Cows
- Sabre-toothed cat
- Woolly mammoth
- Dodos
Correct

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Question 22 of 24

22. Question
Give an example of a new predator for cattle
- Humans
- Fish
- Butterflies
- Insects
Correct

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Question 23 of 24

23. Question
Give an example of a protective mechanism
- Thorns on plants
- Hairs on humans
- Hairs on monkeys
- Blubber on arctic animals
Correct

Incorrect
Question 24 of 24

24. Question
Give an example of competition between species in the UK
- Red and grey squirrels
- Humans and cows
- Plants and humans
- Plants and enzymes
Correct

Incorrect

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