Succession and Extinction Answers

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Put the images on the right, labeled A to D, in order of succession from first (1) to last (4).A

Answers:
Put the images on the right, labeled A to D, in order of succession from first (1) to last (4).A:2
B:4
C:3
D:1
3

C

Answer:

3

4

D

Answer:

1

5

Why does secondary succession occur faster than primary succession?

Answer:

Secondary succession occurs faster because nutrient-rich soil is already present, and seeds may remain from earlier occupants, arrive by wind, or germinate after a fire.

6

Which of the following did you include in your response? Check all that apply.

A
Soil with nutrients is already present.
B
Seeds are present from earlier occupants, brought in by wind, and/or germinate after fire.
7

Name three ecosystem services provided by biodiversity.

Answer:

Protection of water resources; soil formation and protection; nutrient storage and recycling.

8

Which of the following did you include in your response? Check all that apply.

A
protection of water resources
B
soil formation and protection
C
nutrient storage and recycling
D
pollution breakdown and absorption
E
climate stability
F
ecosystem maintenance
G
recovery from unpredictable events
9

Name three biological services provided by biodiversity.

Answer:

Food, medicine, and wood products.

10

Which of the following did you include in your response? Check all that apply.

A
food
B
medicine
C
wood products
D
ornamental plants
E
breeding stocks
F
future resources
G
genetic diversity

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