Topic 7 pt.2

Phytoplankton are said to release how much of the oxygen in Earth’s atmosphere?

• 25%

• 50%

• 75%

• 100%

Which process can release carbon to the air and into the soil?

• Photosynthesis

• Decomposition

• Combustion

• Cellular respiration

Which of the following is NOT a way that carbon is stored in the environment as a fossil fuel?

• Water

• Coal

• Oil

• Natural gas

Photosynthesis uses all of the following except _____ to make food.

• Carbon dioxide

• Chemical energy

• Light energy

• Water

Chemosynthesis may use all of the following except _____ to make food.

• Carbon dioxide

• Chemical energy

• Light energy

• Water

Which of the following does NOT use light energy to make food?

• Chemosynthetic bacteria

• Algae

• Oak tree

• Grass

Which of the following flows through ecosystems in one direction?

• Carbon

• Energy

• Nitrogen

• Water

How is energy lost that is not used for life processes?

• Potential energy

• Kinetic energy

• Thermal energy

• Chemical energy

What is the name of the idea that energy cannot be created or destroyed?

• Law of utilization of energy

• Law of movement of energy

• Law of energy

• Law of conservation of energy

What type of energy is stored in the bodies of organisms?

• Potential energy

• Kinetic energy

• Thermal energy

• Chemical energy