AP Biology Unit 8

Secondary succession is most likely to occur

• on a volcanic island

• after a rainstorm

• after a Thanksgiving Turkey dinner

• after a forest fire

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A food chain shows the transfer of ___ from one organism to another. 

• matter

• consumers

• energy

• habitat

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Humans burn fossil fuels and wood, releasing carbon dioxide into the atmosphere. This carbon dioxide is then absorbed by trees for photosynthesis. These processes are contributory to which chemical cycle?

• The carbon cycle

• The water cycle

• The nitrogen cycle

• The phosphorous cycle

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The step of the nitrogen cycle that is in red is called...

• Denitrification

• Nitrification

• Nitrogen Fixation

• Ammonification

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Which of the following statements is true of the phosphorus cycle?

• Phosphorus enters the atmosphere as phosphates.

• The phosphorus cycle utilizes the processes of erosion, and weathering.

• Phosphates are used in carbohydrate and glucose storage.

• The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.

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This image demonstrates that

• There is a direct correlation with the atmospheric CO₂ and the CO₂ in seawater

• That pH of the ocean increases as the atmospheric CO₂ increases

• That there is no correlation between pH of the ocean and atmospheric CO₂

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According to this slide

• CO₂ is causing marine life to die by "poisoning' the water

• CO₂ is destroying sea shells

• CO₂ is formed from the combustion of Octane

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Largest number of individuals of a population that the environment can support...

• carrying capacity

• population

• biome

• mutualism

If a disease destroying wheat plants in a field swept through an ecosystem, what would happen to the bird population that feed off of the wheat in the the field ?

• The bird population would stay the same

• The bird population would increase

• The bird population would decrease

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Any thing or organism that regulates the size of a population of another organism is known as __________.

• limiting measure

• limiting factor

• factorization

• materialization of precipitation

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