Ecosystem Quiz

What is an example of how energy flows through an ecosystem?

• Food chains

• Water cycle

• Rock formation

• Photosynthesis

Which of the following is a type of biotic interaction in an ecosystem?

• Competition

• Evaporation

• Erosion

• Condensation

What is the starting point of energy flow in the process of photosynthesis?

• The Moon

• The Sun

• The Earth

• The Ocean

What are the main reactants in the photosynthesis equation?

• Oxygen and Glucose

• Water and Carbon Dioxide

• Nitrogen and Oxygen

• Hydrogen and Methane

What is the main product of photosynthesis that stores energy?

• Oxygen

• Carbon Dioxide

• Glucose

• Water

In what form is glucose stored in plants?

• Protein

• Starch

• Fat

• Fiber

What is the main purpose of chlorophyll in photosynthesis?

• To absorb water from the roots

• To convert starch into sugar

• To trap light energy to make food

• To release oxygen into the air

What is given off into the air during photosynthesis?

• Carbon dioxide

• Starch

• Water

• Oxygen

What is the role of carbon dioxide in photosynthesis?

• It is absorbed from the roots

• It enters through the stomata of the leaves

• It is converted into starch

• It traps light energy

What happens to starch in the plant after photosynthesis?

• It is given off into the air

• It is stored in other parts of the plant

• It is converted into oxygen

• It is absorbed from the roots