Ecological Value

Bees are important to ecosystems and humans because they provide

• a regulating service through the pollination of crops.

• a regulating service that increases crop yields.

• a support system through the pollination of food crops.

• a support system through promoting biodiversity of crops.

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Two savanna communities both contain 15 plant species. In community A, each of the 15 species is represented by 20 individuals. In community B, 10 of the species are each represented by 12 individuals; the remaining 5 species are each represented by 3 individuals. Which statement best describes the two communities?

• Community A has the same biodiversity as community B

• Both communities have the same species evenness

• Community B has a higher species richness

• Community A has higher species evenness

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The intrinsic value of an ecosystem is

• the cost of maintaining and conserving an ecosystem.

• the value of an ecosystem as determined through a cost-benefit analysis.

• the value of an ecosystem dependent on human benefit.

• the value of an ecosystem independent of any human benefit.

Which of the following is true about island biodiversity?

• Small islands are more likely to have more immigrated species

• Small islands have higher biodiversity than large islands

• Small islands have more resources and as a result may have more species

• Small islands have fewer resources and as a result may have fewer species

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What is the best way to reduce stress on the ecosystem's provisioning services?

• Use electric cars

• Slow down population growth

• Limiting human access to national parks

• Recycling

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What is the study of how organisms interact with each other and their environment?

• Economic

• Ecology

• Natural Resource

• Sustainability

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What is the practice of helping a degraded or destroyed ecosystem recover from damage called?

• Economic

• Ecology

• Ecological Restoration

• Regulation

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Which of the following best describes the ecological value of wetlands?

• A) They provide habitat for a wide variety of species.

• B) They are primarily used for agricultural purposes.

• C) They are areas with low biodiversity.

• D) They are not important for flood control.

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What is an example of an ecosystem service provided by forests?

• A) Production of synthetic chemicals

• B) Regulation of climate through carbon storage

• C) Generation of non-renewable energy

• D) Creation of artificial habitats

How do coral reefs contribute to ecological value?

• A) They are only important for tourism.

• B) They provide no significant ecological benefits.

• C) They support marine biodiversity and protect coastlines.

• D) They are primarily used for mining resources.

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