Succession

Last updated: 21/08/2021

AQA A-Level Biology Populations in ecosystems Succession

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Question 1 of 29

1. Question
What term would best describe the succession in a sand dune?
- Psammosere
- Hydrosere
- Lithosere
- Halosere
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Question 2 of 29

2. Question
What adaptations do pioneer species have in common?
- Tolerant of hostile abiotic conditions
- Tolerant of pests
- Resistant to disease
- Tolerant to herbivory
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Question 3 of 29

3. Question
Why are pioneer species not found in the climax community?
- They change the environment to make it less hosle for other organisms which will change the environment to make it less suitable for the pioneer species
- They are poor competors for light availability
- They are too small to be observed in a climax community but are sll present
- They move to new places to colonise once they have helped another species move in
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Question 4 of 29

4. Question
What would best describe a climax community?
- High species richness, highest net primary producvity
- Highest species richness, high net primary producvity
- Highest species eveness, lower net primary producvity
- High species eveness, lowest net primary producvity
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Question 5 of 29

5. Question
What is called for the process when older communities of plants and animals are replaced by newer communities?
- Ecological succession
- Evolution
- Deforestation
- Forestation
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Question 6 of 29

6. Question
How many major types of succession ?
- Two
- Three
- Four
- Five
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Question 7 of 29

7. Question
The type of ecological succession in which plants and animals first colonize a barren, lifeless habitat is called ————
- Primary succession
- Secondary succession
- Cyclic succession
- Allogenic succession
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Question 8 of 29

8. Question
The succession in which plants and animals recolonize a habitat after a major disturbance is called ———-
- Secondary succession
- Primary succession
- Cyclic succession
- Allogenic succession
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Question 9 of 29

9. Question
Which of these is true about secondary succession?
- Takes place on a deforested site
- It is similar to primary succession except that it has a relatively slower-pace
- It starts in a bare rock
- It follows the primary succession
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Question 10 of 29

10. Question
If succession takes place on the rock, it is called ————-
- Lithosere
- Xerosere
- Hydrosere
- Psammosere
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Question 11 of 29

11. Question
The succession on sand is called ————-
- Psammosere
- Psammosere
- Hydrosere
- All of these
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Question 12 of 29

12. Question
The primary succession that develops in aquatic environments such as lakes and ponds is called ———
- Hydrosere
- Xerosere
- Lithosere
- Psammosere
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Question 13 of 29

13. Question
The process in which the successful establishment of species in a new area takes place is called
- Ecesis
- Climax
- Invasion
- Nudation
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Question 14 of 29

14. Question
In ecological succession, the final stable community is known as ————
- Climax community
- Ultimate community
- Final community
- Seral community
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Question 15 of 29

15. Question
Which is the first process in ecological succession?
- Nudation
- Migration
- Ecesis
- Aggregation
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Question 16 of 29

16. Question
Which of the following is not climax vegetation?
- Hydrophytes
- Savannah
- Grasses
- Forests
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Question 17 of 29

17. Question
The pioneering community in a xerosere are ————
- Crustose lichen
- Mosses
- Foliose lichen
- Shrubs
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Question 18 of 29

18. Question
How many stages of Xeroseresuccession?
- Five
- Three
- Four
- Two
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Question 19 of 29

19. Question
How many processes of ecological succession?
- Five
- Three
- Four
- Two
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Question 20 of 29

20. Question
Order of basic processes involved in succession is ———
- Nudation -> invasion -> completion and coaction -> reaction -> stabilization
- Invasion -> stabilization -> completion and coaction -> reaction -> nudation
- Nudation -> stabilization -> completion and coaction -> invasion -> reaction
- Invasion -> nudation -> completion and coaction -> reaction -> stabilization
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Question 21 of 29

21. Question
What is called for the term in which all the living organisms that occupy an area undergoing primary succession in the beginning stages?
- Pioneer community
- Climax community
- Settled community
- Dense community
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Question 22 of 29

22. Question
In ecological succession, the intermediate developmental phase is known as ————-
- sere
- ecesis
- climax
- nudation
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Question 23 of 29

23. Question
This about ecological succession is incorrect ———–
- is a random process
- role of decomposers becomes all the more important
- species diversity increases as succession proceeds
- food chain relationships become more complex
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Question 24 of 29

24. Question
Who acts as pioneer species in xerarch succession?
- Lichens
- Herbs
- Mosses
- Shrubs
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Question 25 of 29

25. Question
In succession who helps in weathering and soil formation?
- Lichens
- Herbs
- Mosses
- Shrubs
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Question 26 of 29

26. Question
Who replaces the mosses in succession?
- Herbs
- Lichens
- Forest
- Shrubs
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Question 27 of 29

27. Question
Who replaces the herbaceous plant in succession?
- Shrubs
- Lichens
- Mosses
- Forest
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Question 28 of 29

28. Question
The effect of plants on the habitat is known:
- Reaction
- Aggregation
- Nudation
- Stablization
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Question 29 of 29

29. Question
Which is an example of climax community?
- Forest
- Herbs
- Mosses
- Shrubs
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