10 pt

1. Symbiosis Succession Competition & Cooperation Limiting Factor Carrying Capacity/Prey & Predators 5 pt 5 pt 5 pt 5 pt 5 pt 10 pt 10 pt 10 pt 10 pt 10 pt 15 pt 15 pt 15 pt 15 pt 15 pt 20 pt 20 pt 20 pt 20 pt 20 pt 25 pt 25 pt 25 pt 25 pt 25 pt

2. 5 points An example of symbiosis is a. a hawk hunting a mouse b. a school of fish swimming together c. a butterfly sipping nectar from a flower d. wolves fighting over territory

3. c. A butterfly sipping nectar from a flower.

4. 10 pointsA remora hitching a ride on a shark is an example of _________.

5. Commensalism

6. 15 pointsA tick sucking a dog’s blood is an example of __________.

7. Parasitism

8. 20 points Aphids make a sweet substance that ants eat. The ants protect the aphids. This is an example of ____________.

9. Mutualism

10. 25 pointsExplain how the faces represent certain symbiotic relationships.

11. Two smiles = MutualismOne smile, One no smile = CommensalismOne smile, One frown = Parasitism

12. 5 points The gradual change from a barren environment to a stable ecosystem is called _________.

13. Primary Succession

14. 10 points After a forest fire, grasses and small shrubs begin to grow. Eventually, trees grow back. This is an example of __________.

15. Secondary Succession

16. 15 pointsA gradual series of changes in an area’s communities is called_______.

17. Succession

18. 20 points Moss growing in a bare rock environment is a _________.

19. Pioneer Species

20. 25 points What can trigger Secondary Succession?

21. Floods or fires

22. 5 points Male deer fighting over territory is an example of __________.

23. Competition

24. 10 points Lions hunting together is an example of ______________.

25. Cooperation

26. 15 pointsIn what ways do organisms of the same or different species compete?

27. For food, water, space and other resources

28. 20 points Male peacocks displaying their feathers to attract a mate is an example of ________.

29. Competition

30. 25 points What do plants compete for?

31. Sunlight, space, water and nutrients

32. 5 points What does a limiting factor do?

33. Limits the growth of a population

34. 10 points What can cause a population to grow?

35. Fewer predators, more food

36. 15 pointsIt’s something that helps determine the growth of a population in an ecosystem.

37. Limiting Factor

38. 20 points Nutrients are added to a waterway, causing the algae population to grow rapidly. Nutrients are a ________ for the algae.

39. Limiting Factor

40. 25 points An unsually cold winter causes the squirrel population to decrease. This example of a limiting factor is the ________________.

41. Temperature decrease

42. 5 points The _______________ of an environment is the maximum population that it can support.

43. Carrying Capacity

44. 10 pointsGrazing in a herd benefits a deer population because it gives them ____________.

45. Protection from predators

46. 15 pointsCan a organism be both prey and predator? How?

47. Yes, for example a bird that eats a caterpillar is in turn eaten by a hawk.

48. 20 pointsAn ecosystem’s carrying capacity is different for each population. Why?

49. Lower level consumers are in greater numbers because they consume primary consumers.

50. 25 pointsExplain how symbiotic relationships are similar to and different from prey-predator interactions.