chapter 3.3

Question 1

occurs when 1 community replaces another in an ecosystem as a result of changing abiotic and biotic factors.(reassembling of a community)

Answer 1

ecological succession

Question 2

is the establishment of a community in an area of exposed rock that does not have any topsoil.(occurs where there is NO topsoil or life)

Answer 2

primary succession

Question 3

are the first organisms to appear; they help to create soil by breaking down rocks they are found in both primary and secondary succession.(lichens)

Answer 3

pioneer species

Question 4

is a community that is disrupted after an event but the soil remains intact.(fires,floods,hurricanes)

Answer 4

secondary succession

Question 5

helps to restore damaged or destroyed ecosystem and create succession in a shortened timeline.

Answer 5

ecological restoration