P4 Biology Ecology Unit 8

Multiple Choice

Which of the following best describes the carbon cycle?

• The movement of carbon between living and non-living components of the environment

• The movement of carbon only among living organisms

• The movement of carbon only among non-living components

• The movement of carbon only through chemical reactions

Open Ended

Explain the difference between biotic and abiotic carbon reservoirs, and provide examples of each.

Multiple Choice

Which of the following best describes the role of a producer in the carbon cycle?

• Produces carbon dioxide

• Removes or stores carbon dioxide

• Consumes detritus

• Breaks down waste

Multiple Choice

Which organism is responsible for breaking down detritus in the carbon cycle?

• Producer

• Consumer

• Decomposer

• Fossil fuel

Multiple Select

Select all that apply: Which of the following are examples of fossil fuels?

• Peat

• Natural gas

• Rotting veggies

• Oil

Multiple Choice

Which of the following are the reactants in the process of photosynthesis?

• Carbon dioxide and water

• Glucose and oxygen

• Oxygen and water

• Glucose and carbon dioxide

Multiple Choice

Which of the following statements about the carbon cycle diagram is correct?

• Producers take in CO2 during photosynthesis.

• Consumers release CO2 during photosynthesis.

• Decomposers absorb sunlight to produce glucose.

• Fossil fuels are formed directly from producers.

Multiple Choice

Based on the carbon cycle diagram, which process is responsible for converting glucose and oxygen into carbon dioxide, water, and energy?

• Photosynthesis

• Cellular respiration

• Assimilation

• Decomposition

Multiple Choice

Which conditions are necessary for peat to eventually form coal during fossilization?

• High oxygen and low pressure

• Low oxygen and high pressure

• High oxygen and high pressure

• Low oxygen and low pressure

Multiple Select

Which of the following are fossil fuels mentioned in the carbon cycle diagram?

• Peat

• Natural gas

• Oil

• Coal

Multiple Select

Which human activities contribute to combustion in the carbon cycle?

• Forest fires

• Car exhaust

• Running appliances

• Coal fired plant

Multiple Choice

What is the significance of the carbon cycle in ecology?

• It helps regulate Earth's temperature

• It is responsible for the water cycle

• It produces oxygen for all organisms

• It controls nitrogen levels in soil