Biology Regents Review #3

Which process in cells produces energy in the presence of oxygen?

• Photosynthesis

• Aerobic respiration

• Fermentation

• Nitrogen fixation

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What is the main source of energy for most ecosystems on Earth?

• The Moon

• The Sun

• Volcanoes

• Wind

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Which process removes carbon dioxide from the atmosphere?

• Cellular respiration

• Photosynthesis

• Decomposition

• Combustion

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What term describes a stable community of organisms where populations remain relatively constant over time?

• Succession

• Equilibrium

• Extinction

• Migration

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Which of the following is a human activity that negatively impacts biodiversity?

• Planting native trees

• Deforestation

• Wildlife conservation

• Recycling

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Which of the following best describes anaerobic conditions?

• With oxygen

• Without oxygen

• With sunlight

• With water

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• Grass

• Rabbit

• Fox

• All of the above

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Which sphere is directly involved in the cycling of carbon through photosynthesis?

• Geosphere

• Atmosphere

• Hydrosphere

• All of the above

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NGSS.HS-LS2-5

What is the likely result if a keystone species is removed from a stable ecosystem?

• No change

• The ecosystem may become unstable

• More biodiversity

• Immediate extinction of all species

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Which of the following is an example of a solution to reduce the impact of human activities on the environment?

• Overfishing

• Using renewable energy sources

• Increasing fossil fuel use

• Deforestation

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