Biodiversity Study Quiz

True or false: An ecosystem with high genetic diversity is healthier than an ecosystem with low genetic diversity.

• True

• False

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What is an example of a human disturbance?

• Deforestation

• Drought

• Tsunami

• Changing Seasons

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Define ecosystem diversity

• variety of ecosystems in a given area

• variation of genes within a species or population in a given area

• variety of life in Earth's land, freshwater, and marine ecosystems

• changes to an ecosystem that affect how the parts of it interact

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Define genetic diversity

• variation of genes within a species or population in a given area

• variety of ecosystems in a given area

• system made up of all the living and nonliving things in a given area

• disturbance in the environment conditions that cause genetic changes to occur in organisms

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How do biodiversity and stability work together?

• The lower the biodiversity the greater the stability of an ecosystem.

• The higher the biodiversity, the less stable the ecosystem

• The higher the biodiversity, the greater the stability of the ecosystem.

• Biodiversity has nothing to do with ecosystem stability.

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High biodiversity is 

• having a lot of the same organism.
• having a few of the same organism.
• having a lot of variety of different organisms.
• only having one of each organism. 

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Which ecosystem is more likely to survive a change in the environment?

• One with High biodiversity

• One with Low biodiversity

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A wetland being drained so a housing development can be built is an example of ____________.

• habitat destruction

• over exploitation

• pollution

• conservation

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Habitat restoration can have a positive impact on biodiversity in an area.

• True

• False

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A small marine area has phytoplankton as its only producer. Should the marine biologist be concerned about this ecosystem?

• No the fish do not need the phytoplankton. Since there are so many fish, there is high biodiversity.

• Yes, this system has high biodiversity; however the fish can adapt and get food from another source.

• Yes, this ecosystem has low biodiversity. Without a producer the herbivores will die out leaving no food.

• Yes, the fish will overate to get all of the phytoplankton that is left, then they will die.

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