Biology: Unit 11 Ecology Test Review

Which statement correctly describes secondary succession?

• Secondary succession occurs after a glacier retreats, leaving behind bare rock

• Secondary succession occurs after a fire, leaving behind soil

• Secondary succession is the first time living things colonize an area

• Secondary succession is when an ecosystem does not change

Which of the following are examples of pioneer species during PRIMARY succession?

• lichen and mosses

• seasonal grasses and flowers

• bushes and shrubs

• mature trees

Tags

NGSS.MS-LS2-3

Which ecological process takes longer to achieve a climax community?

• Primary succession

• Secondary succession

• Tertiary succession

• Quaternary succession

Which of the following are examples of pioneer species during SECONDARY succession?

• lichen and mosses

• seasonal grasses and flowers

• bushes and shrubs

• mature trees

Which of the following correctly identifies a difference between primary and secondary succession?

• The biodiversity is greater in primary succession than secondary succession

• secondary succession begins with bare rock, while primary succession begins with soil

• secondary succession takes less time than primary succession

• only secondary succession will eventually create a climax community

Which of the following are locations where primary succession will occur?

• after an intense forest fire

• after a glacial retreat

• after a hurricane

• after a volcanic island is formed

What effect does a parasite have on its host?

• parasites help their host

• parasites harm their host

• parasites do not harm or help their host

• parasites harm and help their host

Tags

NGSS.MS-LS2-2

What is it called when both organisms benefit from a symbiotic relationship?

• parasitism

• predation

• commensalism

• mutualism

what is it called when one organism benefits and the other is unaffected in a symbiotic relationship?

• commensalism

• parasitism

• competition

• mutualism

what is it called when one organism benefits and the other is harmed in a symbiotic relationship?

• competition

• parasitism

• commensalism

• mutualism