Ecology Extra Credit

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Across
  1. 4. natural disasters are an example of density _________ factors
  2. 6. the maximum population that can be sustained long-term is the ______ capacity
  3. 9. males of the same species competing for females is an example of _________ competition
  4. 11. organisms who have lots of small offspring with little parental investment are ________________
  5. 12. multiple species in an area (biological hierarchy)
  6. 15. only ___% of energy is passed between trophic levels
  7. 16. in a predator prey relationship, which population will spike after the other?
  8. 17. primary consumers are generally _________
  9. 19. in the mutualistic relationship between bees and flowers, flowers get _______
  10. 20. in a predator prey relationship, which population is greater?
  11. 21. one organism benefits, the other gets nothing
  12. 22. an organism that breaks down decaying things
  13. 24. populations follow ______ curves
  14. 28. ___% of energy is lost between trophic pyramids
  15. 32. a factor that affects an ecosystem that is nonliving
  16. 33. a group of a singular species
  17. 34. many species can live in a single area
  18. 35. a bear would be a _________ consumer
  19. 36. relationship where one makes a sacrifice for the greater good
  20. 37. a panda is an example of a _________
Down
  1. 1. humans follow survivorship curve number ____
  2. 2. the ultimate source of energy for all life on earth
  3. 3. the size of the population influences resources (density _______ factors)
  4. 5. an organism that eats both plants and meat
  5. 7. the host suffers but the other benefits
  6. 8. lions and hyenas fighting over a buffalo is an example of __________ competition
  7. 10. food webs show the flow of __________
  8. 13. both organisms benefit in the relationship
  9. 14. ________ law states that if there is a limiting resource only one species can utilize it for survival
  10. 18. in the mutualistic relationship between iguanas and crabs, the iguana gets ______
  11. 23. k-strategists have high _______ investment
  12. 25. a factor that affects an ecosystem that is living
  13. 26. the nutrient _______ shows the flow of nutrients throughout an ecosystem
  14. 27. a role that an organism plays within an ecosystem, specific
  15. 29. _______, the amount of organisms in a given area, decreases as you move up the trophic pyramid
  16. 30. a specific ecosystem with similar vegetation, soil, climate, and wildlife
  17. 31. in a food web the arrow points __________ the consumer
  18. 36. an organism that can create its own energy