Succession occurs whenMultiple choice question.a chemical becomes more concentrated in organisms at higher levels in the food chain.a community's species composition gradually changes over time.one species is harmed while another benefits.a keystone species is removed.

Explain the concept of ecological succession and its importance in ecosystem development.

Select all the statements that apply to secondary succession.Multiple select question.It can occur on bare lifeless substrate.It can be triggered by fires or agriculture.It can take place after glaciers expose land.It can occur in places where a community has been disturbed.

A close and often lifelong ecological relationship between species is calledMultiple choice question.succession.species richness.a keystone.a symbiosis.

Describe the concept of succession

A gradual change in the species composition of a community over time is termedMultiple choice question.succession.species richness.species evenness.commensalism.