Energy Flow in Ecosystems Practice

1.

What are the reactants of cellular respiration in plants?

• carbon dioxide and water

• glucose and carbon dioxide

• the reactants of the electron transport chain

• oxygen and glucose

which of the following is a reactant to photosynthesis?

• Oxygen

• Carbohydrates

• Glucose

• Water

Why are plants considered autotrophs

• They make their own food

• They provide food for others

What are the products of photosynthesis?

• Glucose

• sunlight

• water

Why do some leaves turn from green to red, orange, or yellow in the fall?

• Chlorophyll breaks down and its stored

• Chlorophyll production increases

• Chlorophyll leaks out of the leaves

• Chlorophyll changes colors in cool weather

Which organelle performs PHOTOSYNTHESIS?

• Chloroplast
• Mitochondria

What are the products of photosynthesis?

• water and carbon dioxide
• oxygen and glucose
• oxygen and carbon dioxide
• oxygen and water

What gas goes into the plant before photosynthesis?

• Carbon Dioxide
• Carbon Monoxide
• Oxygen
• Nitrogen

What do plants need for the photosynthesis process?

• a camera and tripod
• light, carbon dioxide, and water
• roots, flowers, and bees
• soil, air, and oxygen

How many molecules of carbon dioxide are in the photosynthesis equation?

• 1 molecule

• 2 molecules

• 6 molecules

• 12 molecules