Ecology Final Review

In a forest restoration project, what term describes a stable, mature community in a successive series that has reached equilibrium?

• Pioneer species

• Climax community

• Secondary succession

• Exponential growth

What is a close relationship between two species that benefits at least one of the species?

• Symbiosis

• Mutualism

• Eutrophication

• Climax community

What is the process of ecological succession that occurs in an area where no soil exists, starting with pioneer species?

• Secondary succession

• Primary succession

• Climax community

• Exponential growth

What are the first species to colonize barren environments or previously disrupted ecosystems?

• Climax community

• Pioneer species

• Secondary succession

• Biofuels

What is the growth pattern in which individuals in a population reproduce at a constant rate?

• Logistical growth

• Exponential growth

• Primary succession

• Symbiosis

What is the ecological succession that occurs in areas where soil is already present but vegetation has been disturbed?

• Primary succession

• Secondary succession

• Climax community

• Exponential growth

What are possible density-dependent factors that could impact the sheep population?

• Weather conditions

• Predation

• Natural disasters

• Human activities

What is the impact of zebra mussels on water clarity in a freshwater ecosystem?

• Increase

• Decrease

• No change

• Fluctuate

What happens to algae growth after zebra mussels are introduced?

• Increases

• Decreases

• Remains the same

• Fluctuates

What is a possible claim regarding the effect of light on photosynthesis in algae?

• More light decreases pH

• More light increases pH

• Light has no effect on pH

• Light decreases photosynthesis