Cycles and Succession Worksheet

Part I: Cycles

Directions: Read the following list of words/phrases. Write C for Carbon cycle, P for Phosphorus Cycle, and N for Nitrogen Cycle

·  Note-Some have more than one answer

·  Use Chapter 3 Notes and Better Understanding of the Nutrient Cycles Notes and your textbook for help

  1. Lightning
  2. Cellular respiration
  3. Fertilizers
  4. Fossil fuels
  5. Limestone (Calcium Carbonate)
  6. Breaking down of nitrates and nitrites
  7. Eutrophication
  8. Photosynthesis
  9. Forms ammonia
  10. Found in the atmosphere
  11. Legumes
  12. CO2
  13. Essential for life
  14. Breaking down of rocks
  15. Builds proteins
  16. Smoke coming from cars and factories
  17. ______-fixed bacteria
  18. Has organic and Inorganic parts
  19. Found in the soil
  20. Found in water

Part II: Succession

Directions: Put the following words in the correct order according to type of succession

Word Bank: Climax community, Soil not harmed, Small trees and bushes, Soil formation, Soil destroyed, Lichen (primary species), Fire, Volcanic Eruption, Seedlings, and Mature trees

A.)  Primary

21.______→22.______→23.______→24.______→25.______→26.______→27.______→28.______

B.)  Secondary

29.______→30.______→31.______→32.______

→33. ______→34.______