Question 1

natural disturbances

Accepted Answer

volcanic eruptions, mudslides, avalance , hurricanes

Question 2

human-caused disturbances

Accepted Answer

deforesting, mining, building apartments

Question 3

species that move into an area at later stages of ecological succession

Accepted Answer

climax species

Question 4

species that enter new ecosystems and multiply, harming native species and their habitats

Accepted Answer

invasive species

Question 5

succession in area where no soil exists

Accepted Answer

primary succession

Question 6

Succession that has existing soil

Accepted Answer

secondary succession

Question 7

First species to populate an area during primary succession

Accepted Answer

pioneer species

Question 8

primary purpose of pioneer species

Accepted Answer

soil building

Question 9

only options of competetive exclusion principle

Accepted Answer

move to a different niche or go extinct

Question 10

problems with invasive species

Accepted Answer

reduce biodiversity, use up resources, outcompete native species, degrade the ecosystem

Question 11

the maximum number of individuals of a particular species that an ecosystem can support

Accepted Answer

carrying capacity

Question 12

limiting factor that depends on population size

Accepted Answer

density-dependent limiting factor

Question 13

limiting factor that affects all population the same regardless of size

Accepted Answer

density-indepedent limiting factor

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