Ecosystem QUIZ

A rainforest has an abundance of different plant and animal species. This is an example of what?

• population

• biodiversity

• conservation strategies

Changes in biodiversity can influence humans’ _______________ as well as ecosystem services.

• biodiversity

• organisms

• health

• resources

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What are some examples of human activities that can have big impacts on ocean ecosystems?

• Pollution

• All of the answers are correct.

• Fishing, both recreational and commercial

• Introduction of invasive species

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If there were fewer insects to pollinate plants on Earth, what would be the biggest concern for humans?

• People who work for pest control companies might lose their jobs.

• Crops might not get pollinated, and there could be a food shortage.

• Honey could become more expensive.

• There could be fewer roses available on Valentine’s Day.

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The higher the biodiversity, the more sustainable an ecosystem is.

• True
• False

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In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?

• There would be an overpopulation of arctic hares and lemmings.
• Polar bears would move to a new ecosystem
• The ecosystem would collapse because it lost its main producer
• Wildflowers would die out from the ecosystem

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Field mice eat corn. Which would most likely happen if the field mouse population grew?

• There would be more corn to feed the field mice.
• There would be less corn due to the mice eating it.
• The habitat would get overpopulated because the mice woudl eat too much.

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Anastayjia visited 3 different ecosystems to collect specimens. She visited a grassy area in a tundra and woody area in a Temperate deciduous forest. She collected 20 different types of species from the tundra and 98 different types of species from the forest. Which ecosystem is the MOST sustainable?

• Tundra

• Desert

• Temperate deciduous forest

• Rainforest

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Which of the following would cause biodiversity to DECREASE?

• Water

• Forest Fires

• Sunlight

• Producers

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What is false about biodiversity

• More biodiversity makes it least likely for a species to survive a disturbance such as a Tsunami

• More biodiversity allows species to survive a disturbance such as a hurricane

• As biodiversity increases sustainability increases

• Genetic biodiversity is what makes us look and act different

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