Aiming for Grade 4 LOs:

• State the word equation for anaerobic respiration in animals, plants, and microorganisms.
• Describe the reason why cells respire anaerobically.
• Give some uses of fermentation.

Aiming for Grade 6 LOs:

• Write the balanced symbol equation for anaerobic respiration in plants and microorganisms.
• Compare and contrast aerobic and anaerobic respiration.
• Explain why muscles get tired during exercise.

Aiming for Grade 8 LOs:

• Compare and contrast anaerobic respiration in animals, plants, and microorganisms.
• Explain in detail why heart and breathing rate continue to be high for a period of time after exercise.
• Write a prediction based on scientific knowledge.