Interdependence Within Environmental Systems

Question 0

Secondary succession

Answer 0

Secondary succession occurs after a disturbance to the existing community that does not remove soil

Question 1

Primary succession

Answer 1

Succession that occurs where no soil exists

Question 2

Climax community

Answer 2

Mature stable community that no longer undergoes succession

Question 3

Pioneer species

Answer 3

First species to populate an area

Question 4

Why the pioneer species important?

Answer 4

Because these pioneer species (often lichens) add organic material to help form soil so plants can grow

Question 5

Mutualism

Answer 5

Both species benefit

Question 6

Commensalism

Answer 6

One species benefits, other is not helped or harmed

Question 7

Parasitism

Answer 7

One species benefits other is harmed

Question 8

Why are predator prey relationships important in an ecosystem?

Answer 8

Form a top down control on the carrying capacity of a community

Question 9

Competition among organisms

Answer 9

Organisms of the same or different species use a resource at the same place and time