Chapter 5-6 Test Name________________



Chapter 5-6 Test Name________________

Directions: Choose the best answer.

___b__1. All the following are characteristics of linear population growth except_______.

a. limiting factors involved

b. curve type graph

c. smaller increase in population

d. line graph

___b__2. The effect of animal populations during habitat destruction by humans is usually______.

a. density-dependent limiting factor

b. density-independent limiting factor

c. not observable

d. stabilizing

__a___3. The sequence of communities forming in an originally lifeless habitat is called ______.

a. primary succession

b. secondary succession

c. convergent evolution

d. coevolution

__b___4. A parking lot has been abandoned for some years now. Grass and weeds are growing through the cracks in the cement. This would be an example of _____.

a. primary succession

b. secondary succession

c. convergent evolution

d. coevolution

_d____5. The first type of community that begins growing during primary succession is called_____.

a. climax community

b. beginning community

c. aquatic community

d. pioneer community

_d____6. Lichen would be considered to belong to which community in primary succession.

a. climax community

b. beginning community

c. aquatic community

d. pioneer community

__c___7. The lichen is a combination of what two types of organisms?

a. algae and moss

b. moss and fungus

c. fungus and algae

d. moss and lichens

__b___8. The relationship mentioned above would be considered what type of symbiotic relationship?

a. parasitism

b. mutualism

c. commensalisms

__a___9. Use the picture below to answer question 9.

[pic]

The picture above shows the similar traits and features in two different types of cacti. This would be an example of ________________ evolution.

a. Convergent Evolution

b. Coevolution

c. Concurrent Evolution

d. Successive Evolution

_b____10. Use the picture below to answer question 10.

[pic]

The picture above is of a sword-billed hummingbird(Ensifera ensifera) which is a South American hummingbird with the longest bill to body proportion among birds. It specializes in flowers with long corollas such as Datura, passionflowers and fuchsias. This mutualistic relationship would be an example of ________________ evolution.

a. Convergent Evolution

b. Coevolution

c. Concurrent Evolution

d. Successive Evolution

__b___11. Flowers and insects would represent what type of symbiotic relationship?

a. parasitism

b. mutualism

c. commensalisms

__b___12. An increase in herbivore populations in the ecosystem would soon lead to _____.

a. more vegetation

b. more predators

c. ecosystem balance

d. all the above

_c____13. An organism that feeds on the tissue or body fluids of other organisms is called a(n) _____,

a. predator

b. prey

c. parasite

d. barnacle

_c____14. A predator promotes great niche diversity by _______.

a. causing a certain prey to become extinct

b. controlling the population of other predators

c. controlling the population of prey

d. causing competition with other predators

__c___15. Through aquatic succession a lake or pond may become a(n) _____.

a. barren rock

b. ocean

c. meadow

d. aquifer

__b___16. Oak and chestnut trees would be considered what type of community in primary succession?

a. pioneer

b. climax

c. beginning

d. middle

__b___17. A forest fire destroys the trees in a certain forest. The grasses and shrubs are lost also. This area would then experience ________.

a. primary succession

b. secondary succession

__c___18. In the endangered species act process, the second step is the designating critical habitat process. Critical habitat is based o the following except________.

a. Breeding area

b. Food Supply

c. The number of symbiotic relationships

d. Water supply

__b___19. The barnacle and whale represents commensalisms. This is a relationship where __________.

a. one organism is harmed and other benefits

b. one organism benefits and the other is neither harmed or benefits

c. both benefits

d. neither benefits

___c__20. The reason that linear growth of a population has a rate growth or can be seen on a line graph is because of _______.

a. no limiting factors

b. multiple growth from previous generations

c. limiting factors

d. all of the above

__c___21. The number of species that can be supported by an ecosystem is called the ______ of a population.

a. adaptation

b. exponential growth

c. carrying capacity

d. linear growth

_c___22. The major item that is not destroyed in ecosystem that would promote secondary succession would be ________.

a. trees

b. shrubs

c. soil

d. lichen

__c___23. Lichen is a valuable tool in primary succession because it ____________.

a. creates eutrophication

b. is the climax community

c. breaks rocks down into soil

d. has a symbiotic relationship

___b__24. Pennsylvania practices deer management because of all of the following except __________________.

a. Prevent the destruction to forests

b. To get more female deer

c. Save habitats for other animals

d. Balance deer numbers with the ecosystem

_c____25. All are characteristics of a niche except _________.

a. role of organisms

b. organisms habitat

c. amount of symbiotic relationships

d. abiotic and biotic factors

__c___26. In exponential growth, the population grows according to a multiple of the previous generation. This will continue until it reaches__________.

a. extinction

b. linear growth

c. carrying capacity

d. niche diversity

__d___27. The wolves that were reintroduced into Yellowstone in 1995 were from _____.

a. New Mexico

b. Idaho

c. Walmart

d. Canada

The graph below shows a predator-prey relationship. Use the graph to answer the following questions.

28. What is happening to the predator population between points c and d on the graph?

A. Increasing

B. Decreasing

C. Remains the same

 29. What is causing this to happen?

A. More prey population

B. Less prey population

C. More habitat 

30. What is happening to the predator population at point E and the end of the graph?

A. Increasing

B. Decreasing

C. Remains the same

31. What is happening to the prey population between A and B?

A. Increasing

B. Decreasing

C. Remains the same

32. Why is this happening?

A. Increase in predators

B. Decrease in predators

C. Predators remain the same

33. Ecological succession can occur as a pond fills up with silt and fallen leaves. Place the following numbered pictures in the correct order to show the succession from pond to marsh then to dry land and finally to climax community.

|[pic] |[pic] |[pic] |[pic] |[pic] |[pic] |

|A |B |C |D |E |F |

A. A,B,C,D,E, F

B. B, C,D,E,A,F

C. F,A,C,B,E,D

D. C,A,D,F,B,E

Use the graphs below to answer questions 34 to 35

|[pic] |[pic] |

|  |  |

34. On the graph on the right, what does the area between points E and F represent?

A. Increasing population growth

B. Decreasing population growth

C. Zero population growth

35. On the graph on the right, what does line 1 represent?

A. Symbiotic relationship

B. Carrying Capacity

C. Death rate

D. Birth rate

Each of the statements below refers to exponential population growth or linear population growth. In the blank next to each statement, place an E if the statement refers to exponential growth and an L if the statement refers to linear growth.

A. Linear Growth

B. Exponential Growth

C. Both

36. ___a_____ A lack of food prevents a certain population from growing any further.

37. ___c_____ In the steady state, the average growth rate is zero.

38. ____b____ The larger the population gets, the faster it grows.

39. _____b___ One pair of elephants could produce 19 million offspring in less than 750 years.

40. ___a_____ A particular environment is limited to a certain number of rabbits that it can support.

41. ____b____ All of the offspring of a given population survive and reproduce.

Each of the following situations describes a form of symbiosis. After each situation, write the type of symbiosis that is being described.

A. Parasitism

B. Commensalism

C. Mutualism

42. Situation 1: A flowering plant cannot pollinate another plant unless pollen is transported between the plants. While gathering nectar from the plant's flowers, a bee is lightly dusted with pollen. The bee then transports the pollen as it moves from one flower to another. This enables the flowering plant to reproduce.

 c

43. Situation 2: A liver fluke enters the human digestive system on a piece of beef. The fluke derives nourishment from the human; the human is seriously weakened by the presence of the fluke.

a

44. Situation 3: Tall trees provide birds with a place to nest that offers them protection against many kinds of predators.

b

Each of the statements below describes a situation that affects population growth. Some of the statements describe density-dependent factors, and others describe density-independent factors. In the blanks before each item place a D for a density-dependent factor, and an I for a density-independent factor.

A. Density Dependent (D)

B. Density-Independent (I)

45. ___b_____ A severe frost wipes out 50% of the citrus crop in southern Florida.

46. ___a_____ Since snakes prey of frogs, an increase in the frog population causes an increase in the snake population.

47. __a______ Due to severe overcrowding in an underdeveloped country's village many children do not survive to reach adulthood.

48. ____b____ The eruption of Mt. St. Helens destroys most of the wildlife in the immediate vicinity of the volcano.

49. _____a___ Because rabbits in Australia have no natural enemies, their population increases exponentially.

The pictures in the accompanying illustration show five stages in the development of an ecological community. These stages are not in order.

|[pic] |[pic] |[pic] |

|A. Grass and shrubs |B. Pine Forest |C. Oak and Chestnut |

|  [pic] |  [pic] |  |

| D. Barren Rock | F. Soil and rock |  |

50. Which picture (A, B, C, D, or E) shows the first stage of succession? __d____

51. The second stage of succession? ____f____

52. The third stage of succession? ___a______

53. The final stage of succession? ____c___

[pic]

54. What type of succession is shown in the pictures above (primary or secondary)?

A. Primary

B. Secondary

Counting Populations

A student in IPS class needed to count the total population of grasshoppers in a field. The student went out on the first day and collected 50 grasshoppers. This student marked and released the grasshoppers. The next day the student went out in the same field and collected 30 grasshoppers. The student noticed that 15 were marked.

__d___55. The formula that you would use to solve this problem would be_________.

a. P/p=m/M

b. P/p=M/m

c. P/M=p/p

d. P/M=p/m

__c__56. In the example above 50 grasshoppers represents what variable in the equation.

a. ( P)

b. (p)

c. (M)

d. (m)

___b__57. The method for counting population described above is called __________.

a. Random Sampling

b. Lincoln Index

c. Census

_b___58. True or False. This method is the fastest and most accurate way for counting a population

a. true

a. false

_b____59. After reading the scenario above, what is the total grasshopper population?

a. 56 grasshoppers

b. 100 grasshoppers

c. 115 grasshoppers

d. 225 grasshoppers

__c___60. A forester wanted to figure out the total amount of red oaks that were on a 10 mile by 10 mile property. The grid will contain a 1 mile by 1 mile boxes. He used random sampling to find the answer. He randomly counted the trees in 5 grid boxes. The following was found.

a. 10 oaks, 12 oaks, 10 oaks, 15 oaks, and 23 oaks

A. 1450

B. 1253

C. 1400

D. 1236

___C__61. What is the volume of the object below?

[pic]

A. 125 cm3

B. 220 cm3

C. 800 cm3

D. 568 cm3

__C___62. What is the measurement at the arrow on the ruler below?

[pic]

A. 3 1/8 inch

B. 3 1/16 inch

C. 3 1/4 inch

D. 3 1/32 inch

-----------------------

A

B

E

C

D

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