BioGeoChemical Cycles

Where does the energy that organisms need to carry out life processes start?

• The moon

• The sun

• Electricity

• Thermal vents

What do producers (autotrophs) rely on to create glucose and oxygen?

• Sunlight, water, and carbon dioxide

• Oxygen, glucose, and sunlight

• Water, carbon dioxide, and nitrogen

• Glucose, oxygen, and water

What do consumers (heterotrophs) use from producers and what do they release back into the atmosphere?

• They use carbon dioxide and water and release glucose and oxygen.

• They use glucose and oxygen and release carbon dioxide and water.

• They use nitrogen and oxygen and release carbon dioxide and glucose.

• They use glucose and carbon dioxide and release oxygen and nitrogen.

How does energy enter and exit an ecosystem?

• Enters as heat and exits as sunlight

• Enters as chemical energy and exits as mechanical energy

• Enters as sunlight and exits as heat

• Enters as electricity and exits as sound

What percentage of energy is transferred from primary producers to primary consumers according to the Energy Pyramid?

• 0.01%

• 1%

• 10%

• 100%

Which cycle is primarily responsible for the distribution and movement of water within the Earth's atmosphere and surface?

• The Carbon Cycle

• The Nitrogen Cycle

• The Water Cycle

• The Phosphorus Cycle

Which cycle involves the process by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth?

• The Water Cycle

• The Carbon Cycle

• The Nitrogen Cycle

• The Phosphorus Cycle

Which cycle is essential for converting atmospheric nitrogen into forms usable by living organisms?

• The Phosphorus Cycle

• The Water Cycle

• The Carbon Cycle

• The Nitrogen Cycle

During which process does water move from the soil into the atmosphere through plants?

• Evaporation

• Precipitation

• Transpiration

• Infiltration

What process in the water cycle is represented by the sun heating up water in rivers, lakes, and oceans and turning it into vapor or steam?

• Condensation

• Precipitation

• Evaporation

• Transpiration