Ecosystems EOC Review

What are biotic factors in an ecosystem?

• Non-living factors such as sunlight and temperature

• Living organisms such as plants and animals

• Soil composition and water availability

• Atmospheric gases like oxygen and carbon dioxide

Biotic factors (a)   the carrying capacity of an ecosystem.

• have no impact on carrying capacity
• decrease carrying capacity by reduc
• increase carrying capacity by provi
• fluctuate carrying capacity unpredi

Which of the following is an example of an abiotic factor?

• Predation

• Disease

• Temperature

• Competition

How do biotic and abiotic factors interact in an ecosystem?

• Biotic factors create abiotic factors

• Abiotic factors determine the distribution of biotic factors

• Biotic and abiotic factors are unrelated

• Biotic factors control abiotic factors

What is the role of photosynthesis in the carbon cycle?

• Photosynthesis releases carbon dioxide into the atmosphere

• Photosynthesis absorbs carbon dioxide from the atmosphere

• Photosynthesis releases oxygen into the atmosphere

• Photosynthesis absorbs oxygen from the atmosphere

How does cellular respiration contribute to the carbon cycle?

• Cellular respiration absorbs carbon dioxide from the atmosphere

• Cellular respiration releases oxygen into the atmosphere

• Cellular respiration releases carbon dioxide into the atmosphere

• Cellular respiration absorbs oxygen from the atmosphere

Which process does NOT release carbon dioxide into the atmosphere?

• Cellular respiration

• Volcanic eruptions

• Photosynthesis

• Combustion of fossil fuels

In which field can models be used to study both photosynthesis and cellular respiration?

• Chemistry

• Mathematics

• Geology

• Sociology

(a)   is NOT a component of the biosphere.

• The atmosphere
• The lithosphere
• The hydrosphere
• The geosphere

Carbon moves between the biosphere, atmosphere, hydrosphere, and geosphere through (a)   .

• Through the process of photosynthes
• Through the process of cellular res
• Through the processes of photosynth
• Through volcanic eruptions only