WQ2 Q4 Preparation

• What are nutrients essential for?

  To sustain life
• What are nutrients essential for?

  Sustaining life
• What do nutrients refer to?

  Substances required for growth and maintenance
• What are the two types of organisms based on nutrition?

  Autotrophs and heterotrophs
• How do autotrophs obtain energy?

  From sunlight and chemicals
• What do heterotrophs rely on for energy?

  Other organisms
• What are the nutritional requirements of plants?

  Water and carbon dioxide
• What is photosynthesis?

  Process converting sunlight into chemical energy
• What are the macronutrients required by plants?

  C, H, O, N, K, Ca, Mg, P, S
• What are micronutrients required in?

  Minute or trace amounts