L.3.2 EOG Practice Questions

Which of these organisms is a producer in a marine ecosystem?

• fish

• algae

• gull

• worm

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Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzucan die because they are starved of sunlight. What type of relationship existsbetween the trees and the kudzu growing on them?

• mutualism

• parasitism

• competition

• predator-prey

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If wolves prey on deer for food, what will most likely happen to the deerpopulation if wolves are removed from an area where deer live?

• The population of deer will become extinct.

• The population of deer will remain the same.

• The population of deer will decrease.

• The population of deer will increase.

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How are mutualism and parasitism different?

• Both organisms benefit in mutualism, while in parasitism only one organism benefits at the other’s expense.

• Both organisms benefit in parasitism, while in mutualism only one organism benefits at the other’s expense.

• Both organisms benefit in mutualism, while in parasitism one organism benefits, and the other is neither harmed nor benefits.

• Both organisms benefit in parasitism, while in mutualism one organism benefits, and the other is neither harmed nor benefits.

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The table shows the food choices for two species of birds.

Which will most likely happen to Questors as a result of Wood Plaxers migratingto their habitat?

• The Questors will compete with the Wood Plaxers for food resources.

• The two species will coexist with no competition.

• The Questors will be forced to fly to a different habitat.

• The two species will become extinct.

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