Ecosystems and Energy Flow Quiz

What is the primary function of photosynthesis?

• To produce oxygen for cellular respiration

• To convert water into nutrients

• To convert carbon dioxide and water into glucose and oxygen

• To absorb carbon dioxide from the atmosphere

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In which part of the plant does photosynthesis primarily occur?

• Roots

• Stems

• Leaves

• Flowers

Tags

NGSS.MS-LS1-6

What are the main stages of cellular respiration?

• Photosynthesis, fermentation, and digestion

• Glycolysis, Krebs cycle, and electron transport chain

• Nitrogen fixation, nitrification, and denitrification

• Evaporation, condensation, and precipitation

Tags

NGSS.HS-LS1-7

Which of the following best describes a food web?

• A linear sequence of who eats whom in an ecosystem

• A system that recycles nutrients in the environment

• A complex network of feeding relationships among organisms in an ecosystem

• A single pathway of energy flow in an ecosystem

In the carbon cycle, which process removes carbon dioxide from the atmosphere?

• Respiration

• Decomposition

• Photosynthesis

• Combustion

Tags

NGSS.MS-LS1-6

What is the role of decomposers in the carbon cycle?

• They convert carbon dioxide into oxygen

• They release carbon dioxide into the atmosphere through the process of decomposition

• They consume carbon dioxide for photosynthesis

• They store carbon in the form of fossil fuels

Tags

NGSS.MS-LS2-3

Which of the following is NOT a phase of the nitrogen cycle?

• Nitrogen fixation

• Nitrification

• Photosynthesis

• Denitrification

How do plants primarily obtain nitrogen?

• Through nitrogen fixation by bacteria in the soil

• Directly from the atmosphere

• From decomposing animals and plants

• Through precipitation

Tags

NGSS.MS-LS2-1

What is the main purpose of cellular respiration in living organisms?

• To produce food

• To create oxygen

• To convert glucose into usable energy

• To absorb nutrients from the soil

Tags

NGSS.MS-LS2-3

Which organisms are primarily responsible for the process of nitrogen fixation?

• Plants

• Animals

• Bacteria

• Fungi