Question

name
primary and secondary succession
put the letter of the description below the picture it matches.
1.____
2.____
3.____
4.____
5.____
6.____
7.____
8.____
a. newly exposed rock. no soil present.
b. grasses and flowers begin to grow. pollinators come to the area.
c. moss and lichens begin growing on rocks, and breaking them down into soil.
d. the soil is deep enough for young trees to begin growing. secondary consumers help control the primary consumer population.
e. after a disturbance, only soil is left behind.
f. mature forest forms. ecosystem is full of life - forms, and nearing climax community.
g. bushes and shrubs begin to grow as the soil becomes more nutrient - rich. primary consumers begin feeding on the plants.
h. a forest fire destroys an area of forest, along with all organisms in the area.

Explanation:

1. Picture 1 shows early - stage plants on rocks, matching C (Moss and lichens begin growing on rocks, and breaking them down into soil).
2. Picture 2 shows a mature forest, matching F (Mature forest forms. Ecosystem is full of life - forms, and nearing climax community).
3. Picture 3 shows soil with no plants, matching E (After a disturbance, only soil is left behind).
4. Picture 4 shows a forest fire, matching H (A forest fire destroys an area of forest, along with all organisms in the area).
5. Picture 5 shows young trees, matching D (The soil is deep enough for young trees to begin growing. Secondary consumers help control the primary consumer population).
6. Picture 6 shows soil with some small plants, matching A (Newly exposed rock. No soil present).
7. Picture 7 shows grasses and flowers with pollinators, matching B (Grasses and flowers begin to grow. Pollinators come to the area).
8. Picture 8 shows bushes and shrubs with primary consumers, matching G (Bushes and shrubs begin to grow as the soil becomes more nutrient - rich. Primary consumers begin feeding on the plants).

Answer:

1. C
2. F
3. E
4. H
5. D
6. A
7. B
8. G