Section 3 Section 4
100
What is the role of an organism in its habitat?
It’s niche
100
What is the series of predictable changes that occur in a community over time?
Succession
200
What is something that results in natural selection?
Adaptations
200
What is the first species to populate an area?
The pioneer species
300
What is the organism that is killed?
The prey
300
What is the series of changes that occur in area with no soil or organisms?
Primary succession
400
What is a relationship in which one benefits but the other is not harmed?
Commensalism
400
What is the series of changes where there is soil and organisms?
Secondary succession






Section 3 and 4

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