Which of the following is true of ecological succession?

Select one:

a. Pioneer organisms move into to new communities first

b. Primary productivity decreases as succession proceeds

c. Secondary succession takes place within new communities with no previous soil

d. All of the above are true

Question

Kathy Bryan

Biology

18 October, 01:11

Which of the following is true of ecological succession?

Select one:

a. Pioneer organisms move into to new communities first

b. Primary productivity decreases as succession proceeds

c. Secondary succession takes place within new communities with no previous soil

d. All of the above are true

+2

Answers (1)

Know the Answer?

Timothy Gallagher · Answer 1

Only A is correct. Pioneer species only refer to primary succession. Productivity should theoretically increase as succession proceeds due to the increased amount of energy in the ecosystem. C describes primary succession.

Which of the following is true of ecological succession?Select one:a. Pioneer organisms move into to new communities firstb. Primary productivity decreases as succession proceedsc. Secondary succession takes place within new communities with no previous soild. All of the above are true

Which of the following is true of ecological succession?

Select one:

a. Pioneer organisms move into to new communities first

b. Primary productivity decreases as succession proceeds

c. Secondary succession takes place within new communities with no previous soil

d. All of the above are true