7.2 Sucsession

Question 1

pioneer species

Answer 1

the organism that first colonises an area
specialised to survive harsh abiotic factors

Question 2

climax community

Answer 2

final stage of ecological succession
very stable doesn’t change much

Question 3

secondary sucession

Answer 3

occurs after a forest fire or clearance of agricultural land
were there has been a previous population
pioneer species not needed as soil has already formed

Question 4

conservation

Answer 4

the management of natural resources to enable maximum use in the future

Question 5

explain how succession resulted in the formation of a forest (4)

Answer 5

pioneer species colonises an area
they die and decompose to form a soil
which changes the environment and enables a change in species
conditions change further to favor climax community (forest)