Succession

Question 1

what is succession?

Answer 1

process where an ecosystem changes over time

Question 2

what is primary succession?

Answer 2

succession on newly formed land. starts when species colonise a new land surface

Question 3

what are pioneer species?

Answer 3

first species which colonise the area after primary succession. only pioneer species can grow here as abiotic conditions are harsh and these species are adapted to these.

Question 4

how do pioneer species change abiotic conditions?

Answer 4

die and microorganisms decompose dead organic material which forms soil. conditions become less hostile

Question 5

what happens at the later stages?

Answer 5

plants and animals which are better adapted for the imporved conditions out compete the old plant and animals.

Question 6

what is secondary succession?

Answer 6

succession that happens on land already cleared of plants but soil remains

Question 7

what is a climatic climax community?

Answer 7

the climax community for a particular climate

Question 8

what is a climax community?

Answer 8

an ecological community where the population of plants and animals remains stable and are in balance with the environment