cycles

• What is the importance of the water cycle?

  • Maintains habitats
  • Needed for transport in organisms
  • Allows for chemical reactions in cells
  • Needed for photosynthesis
• What is the water cycle?

  • Precipitation/ rain
  • Percolation/ water goes into the ground
  • Ground water /goes into the ocean
  • Ocean water evaporates
  • Plants transpire
  • Water vapour cools and condenses into clouds.
• Where in the carbon cycle is carbon released into the atmosphere?

  • Respiration -All organisms respire, releasing CO2.
  • Decomposition - Microorganisms break down dead organisms and respire.
  • Fossil fuels - Decomposed organisms become fossil fuels over time and when they are combusted they release CO2.
• Where in the carbon cycle is carbon transferred along?

  • Photosynthesis - Plants photosynthesise and carbon dioxide is a reactant.
  • Feeding - Animals consume plants and carbon compounds are made.
  • Decay - When organisms are decayed carbon compounds are made and mineral ions are returned into the soil.
• What are examples of carbon compounds?

  • Proteins
  • Lipids
  • Starch