Biodiversity and Succession Review

An endangered species is

• A species in danger of extinction

• A species growing on public land

• An organism brought to a place where it has not lived before

• A species that has disappeared entirely

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Which type of biodiversity refers to the variety of traits within a species?

• Genetic Diversity

• Species Diversity

• Ecosystem Diversity

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The level of biodiversity that involves a variety of habitats and communities is

• Ecosystem diversity

• Genetic diversity

• Population diversity

• Species diversity

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How is biodiversity important to the stability of a species?

• It increases the likelihood that a species will overcome a change in their environment

• It increases their rate of reproduction

• It decreases the chance of a natural disaster

• Biodiversity is not important to the stability of a species

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Biodiversity helps an ecosystem:

• undergo ecological succession

• adjust to changes or disturbances in the environment

• remove predators

• increase the amount of precipitation it receives in a year

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Biodiversity increases the productivity of an ecosystem because:

• there are less interactions between species in the ecosystem

• there are more interactions between species in the ecosystem

• it increases the chance that a disturbance will negatively affect the species living in an ecosystem

• it increases the rate at which organisms reproduce

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The major human causes of extinction today are

• a. Hunting and destroying habitats

• b. Polluting and introducing non-native species

• Both a and b

• Neither a nor b

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The python in Florida is currently living in the everglades, eating the native birds and disrupting the ecosystem. What type of species is this?

• Limestone species

• Endemic species

• Invasive species

• Keystone species

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Reduction in the sea otter population affected the Pacific coast ecosystem by

• Decreasing the biodiversity of the ecosystem

• Reducing the size of the sea urchin population

• Promoting the increased growth of the nearby kelp beds

• Increasing the biodiversity of the ecosystem

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The illegal hunting and slaughter of African elephants for their ivory is also known as

• Perching

• Poaching

• Uprooting

• Stalking

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