1. the Study of the Interaction of Living and Non-Living Things Is Called: ______

preAP2012

Name: ______

Period: ______

Ecology Review

1.  The study of the interaction of living and non-living things is called: ______

2.  A ______consists of many connected food chains.

3.  A lion hunts and kills a deer. Which is the predator? ______Prey? ______

4.  If an entire shark population dies, what would happen to the catfish population on which it preys?

5.  What is the difference between primary and secondary succession? Give an example of each.

6.  What type of plants would be the first to appear in the ecological succession of a forest? Last?

First: ______Last: ______

Matching.

7.  makes its own food A. biosphere

8.  ultimate source of energy B. herbivore

9.  cannot make its own food C. omnivore

10.  consumer that eats only animals D. decomposer

11.  organism that eats decaying organisms E. carnivore

12.  organism that eats only plants F autotroph

13.  organism that eats both plants & animals G. heterotroph

14.  role an organism plays in ecosystem H. population

15.  all parts of Earth that can support life I. community

16.  many members of same species J. niche

17.  year after year conditions in a region K. weather

18.  many different populations L. climate

19.  day to day changes in ecosystem M. sun

Aquatic plants shrimp trout duck

20. In this simple food chain, what organism is considered the

producer? ______primary consumer? ______tertiary consumer? ______secondary consumer? ______

21.  Which would have the greatest number of species in its population?

22. In the above food chain, what organism is the herbivore?

23. All the living things in an ecosystem are called ______factors. Ex: plants

24. The non-living things in an ecosystem are called ______factors. Ex: temp, soil

25. Describe and give an example of:

Parasitism-

Mutualism-

Commensalism-

26. ______are at the beginning of a food chain and use the sun’s energy to make food.

27. Define Biome:

28. Define Limiting Factor:

29. Give 2 examples of density-dependent limiting factors.

30. Give 2 examples of density-independent limiting factors.

31.  Define carrying capacity.

32. What happens when a population goes above the environment’s carrying capacity?

33. If nothing stops a population from growing, this is called ______growth.

______growth is limited by available resources.

34. Evaporation and precipitation are processes involved in the ______cycle.

35. How does water enter the atmosphere?

36. How does carbon enter the atmosphere?

37. Through what process is nitrogen changed into a usable form for plants?

38. What carries out the process in the previous question?

Matching. Answers may be used more than once.

39. grazing animals; small plant life A. tundra

40. high amount of rainfall; birds and monkeys B. tropical rainforest

41.  hot and humid; located near equator C. taiga/coniferous forest

42. extreme daily temperatures; extremely dry D. temperate deciduous forest

43. short growing season; extremely cold/permafrost E. desert

44. cold, snowy winters; cone-bearing trees F. temperate grassland

45. trees shed leaves in winter; deer, birds, wolves

46. reindeer and lichens common here

47. cactus and iguanas; very hot during day

48. wildflowers, burrowing mammals

49. Label the food pyramid: primary consumers, secondary

consumers, tertiary consumers, & producers.

50. How much energy is passed from one level to the next?

___ %

51. Which position has the most organisms?

52. List the levels of organization in order from smallest to largest.

A. ______D. ______

B. ______E. ______

C. ______

53. Which level would you find a group of rabbits in?

54. What level would you find rabbits, rocks, and plants in?

55. The land, water, and air all are combined in what structure?