Ecology Exam REVIEW GUIDE!

  1. All ecosystems involve two different factors interacting with each other. What are they?
  2. What are biotic factors? Give 2 examples
  3. What are abiotic factors? Give 2 examples.
  4. What is a decomposer?
  5. What is a carnivore?
  6. What are consumers?
  7. What is an autotroph?
  8. Give an example of a consumer.
  9. Give an example of a decomposer
  10. Give an example of a producer.
  11. ALL food chains, food webs, and food pyramids start with which organism?
  12. Plants are producers that use the sun to make chemical energy. What is the chemical energy (food) that plants make?
  1. What do the arrows in a food chain represent?
  2. What is a food web?
  3. Why are plants always at the base of ecological pyramids?
  4. For an ecosystem to be stable, should there be more predators or prey, and why?
  5. What type of energy is passed up the ecological pyramid?
  6. What happens to energy as you move up the pyramid?
  7. Which organisms use solar energy?
  8. What process is powered by solar energy?
  9. What is another name for chemical energy?
  10. What is ATP used for?
  11. What is the process in the mitochondria that creates ATP?
  12. Can ATP be transferred among cells or organisms?
  13. What is carrying capacity?
  14. What happens when a population reaches carrying capacity?
  15. What is dynamic equilibrium?
  16. What is biodiversity?
  17. Why is biodiversity important?
  18. What is the gradual growth of an ecosystem called?
  19. New organisms move into the ecosystem at each step of succession. What does this allow for?
  20. Do stable ecosystems have more or less biodiversity?
  21. What are fossil fuels?
  22. What is the removal of trees from stable ecosystems called?
  23. Why is the farming of a single crop harmful to the environment?
  24. Give three examples of renewable sources of energy.
  25. Why are fossil fuels nonrenewable?
  26. How does pollution affect the atmosphere?
  27. How does pollution affect the water?
  28. How does pollution affect the land?