Unit 6 Ecology Test Review

Which biome is MOST LIKELY a desert?

• Biome 1

• Biome 2

• Biome 3

• Biome 4

Every year, a field is flooded with standing water that covers all of the grass and weeds in the field. The standing water sits on the field for months. Which of the following will NOT do well in the field while it is flooded?

• insects that live in the field grass

• frogs that lay eggs in shallow water

• large birds that eat flying insects

• algae that grow in wet places

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Organisms cannot survive without some nonliving things. For example, organisms use many nonliving things for

• protection.

• adaptation.

• recreation.

• migration.

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What would happen to a rabbit population if all of its natural predators suddenly died?

• The rabbit population will be eliminated.

• The rabbit population will decrease.

• The rabbit population will increase.

• The rabbit population will remain the same.

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Which of the following is most important when determining the type of biome that is found in a certain area?

• soil type

• topography

• biogeography

• climate

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The alligator in this environment is

• a biotic factor that swims in nonliving water.

• a biotic factor that needs living oxygen to live.

• an abiotic factor that feeds on other nonliving factors.

• an abiotic factor that interacts with the living marsh grass.

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Which type of organisms are found at the base of an energy pyramid?

• carnivores

• producers

• herbivores

• scavengers

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Which best describes the organisms that would recycle decaying matter back into the mountain ecosystem?

• The mushrooms because they are decomposers and break down matter to return to the ecosystem.

• The Sun because it provides all the energy required for the organisms to return matter to the ecosystem.

• The deer because they are consumers and break down the matter from producers to return to the ecosystem.

• The berries and flowers because they are producers and are broken down for multiple consumers in the ecosystem.

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Which scenario would lead to the biggest increase in a rabbit population?

• increase in food supply and decrease in predators

• increase in food supply and predators

• decrease in food supply and increase in predators

• decrease in food supply and predators

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How do most consumers obtain energy?

• They obtain energy indirectly from plants.

• They eat minerals from under the ground.

• They eat other animals that make their own energy.

• They obtain energy from gaseous molecules in the air.

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