Ecological Succession

Question 1

Succession

Answer 1

Process Where Organisms occupy a site and change its environmental conditions, gradually making way for another type of community

Question 2

Successional Series

Answer 2

1. Organic Matter
2. Increase Soil Depth
3. Improved Soil structure
4. Decrease soil erosion
5. Increase mineral Recycling

Question 3

Organic Matter Accumulation

Answer 3

Released by plants and other organisms

Question 4

Increase Soil Depth

Answer 4

Organic matter helps bind mineral matter together

Question 5

Improved soil struture

Answer 5

Increase organic matter content and increase retention and drainage of water

Question 6

Decrease soil erosion

Answer 6

Binding action of roots of larger plants

Question 7

Increase Mineral recycling

Answer 7

More minerals present in soil and biomass

Question 8

Primary Succession

Answer 8

Land without soil colonized by living organisms where none have existed before

Question 9

Secondary Succession

Answer 9

New community develops from biological legacy of previous (occurs after a disturbances)

Question 10

Pioneer Community

Answer 10

1. Made up of resilient pioneer species
   - Able to immigrate quickly and can survive harsh environments with few resources
2. Create pockets/crevices in rocks
   - patches of organic matter accumulate, water is retained and soil is formed