Humans and all other living creatures need nitrogen gas (N₂) to survive.

• True
• False

Another name for a heterotroph is a

• Producer
• Consumer
• Plant
• Herbivore

Which of the following are the reactants of photosynthesis? Select all that apply.

• Water
• Oxygen
• Glucose
• Carbon Dioxide
• Nitrogen

Which of the following are the products of photosynthesis? Select all that apply.

• Water
• Oxygen
• Glucose
• Carbon Dioxide
• Nitrogen

__________ is the opposite process of cellular respiration.

• Photosynthesis
• Cell Division
• Respiration
• Glucose

In the first stage of respiration, anaerobic respiration, __________ energy is released.

• no
• a little
• a HUGE amount of

Which of the following organisms is an autotroph?

• Fungus
• Human
• Oak Tree
• Rabbit

In which organelle does cellular respiration take place?

• Nucleus
• Centrosome
• Chloroplast
• Mitochondrion

What is the source of energy used in photosynthesis?

• Glucose
• Sunlight
• Chloroplast
• DNA

Which of these is a difference in aerobic and anaerobic respiration?

• Aerobic respiration requires oxygen but anaerobic respiration does not.
• Anaerobic respiration requires oxygen but aerobic respiration does not.
• Aerobic respiration requires sunlight but anaerobic respiration does not.
• Anaerobic respiration requires sunlight but aerobic respiration does not.