1. 1. Brightly colored flowers are most often pollinated by —
F. wind
G. mammals
H. rainfall
J. insects

2. 1. Brightly colored flowers are most often pollinated by —
J. insects

3. Characteristics of a Hummingbird 1. Colorful feathers 2. Narrow beak
2. All of the characteristics listed above are useful for gathering food EXCEPT — A B C D. 4
Characteristics of
a Hummingbird
1. Colorful feathers
2. Narrow beak
3. Small body
4. Strong wings

4. Characteristics of a Hummingbird 1. Colorful feathers 2. Narrow beak
2. All of the characteristics listed above are useful for gathering food EXCEPT — A Colorful feathers
Characteristics of
a Hummingbird
1. Colorful feathers
2. Narrow beak
3. Small body
4. Strong wings

5. The picture shows a type of gazelle that lives in Africa
The picture shows a type of gazelle that lives in Africa. It eats leaves, twigs. flowers, and fruits. Which characteristic most helps this gazelle get food?
A. Long neck B. Tan fur
C. Curled horns D. Large ears

6. The picture shows a type of gazelle that lives in Africa
The picture shows a type of gazelle that lives in Africa. It eats leaves, twigs. flowers, and fruits. Which characteristic most helps this gazelle get food?
A. Long neck

7. 4. Which group supplies food for other
organisms?
A. Producers only
B. Consumers only
C. Both producers and consumers
D. Neither producers nor consumers

8. C. Both producers and consumers 4. Which group supplies food for other
organisms?
C. Both producers
and consumers

9. 5. Which group depends on other
organisms as a food source?
A. Producers only
B. Consumers only
C. Both producers and consumers
D. Neither producers nor consumers

10. 5. Which group depends on other
organisms as a food source?
B. Consumers only

11. A. a decrease in the amount of algae B. an increased number of crabs
6. According to the food web shown, a decrease in the number of clams would probably result in —
A. a decrease in the amount of algae B. an increased number of crabs
C. fish and snails eating crabs D. crabs eating more snails

12. D. crabs eating more snails
According to the food web shown, a decrease in the number of clams would probably result in —
D. crabs eating more snails

13. 7. If all of the fish are removed from this food web, which animal population will most likely decrease first?
A. Turtles B. Mosquito larvae C. Dragonfly larvae D. Pelicans

14. 7. If all of the fish are removed from this food web, which animal population will most likely decrease first?
D. Pelicans

15. The pictures below show how the monarch butterfly uses the milkweed plant.
8. Which picture shows the stage at which the monarch butterfly helps the milkweed plant reproduce?
F. Q G. R H. S J. T

16. J. T Gets nectar from milkweed flowers
The pictures below show how the monarch butterfly uses the milkweed plant.
8. Which picture shows the stage at which the monarch butterfly helps the milkweed plant reproduce?
J. T Gets nectar from milkweed flowers

17. 9. Which of these would best complete this food chain? F. Hawk
G. Grapes
H. Toads
J. Mice

18. 9. Which of these would best complete this food chain?
J. Mice

19. 10. The picture shows the leaf and fruit
of a sycamore tree. A tree like the
sycamore would have the hardest
time growing in an environment that
is mostly —
F. cold and dark
G. warm and rainy
H. cool and wet
J. hot and cloudy

20. 10. The picture shows the leaf and fruit
of a sycamore tree. A tree like the
sycamore would have the hardest
time growing in an environment that
is mostly —
F. cold and dark

21. Characteristics of Four Habitats. Black Bear Needs 11
Characteristics of Four Habitats Black Bear Needs The top chart shows some characteristics of four habitats. In which habitat would a black bear most likely be found? A. Q B. R C. S D. T
Habitat
Climate
Surface
Features
Main Plant Types
Plant Eater
Found in Habitat Q
Hot
Sand dunes
Cacti, grasses
Field mouse R
Cool
Hills
Grains, thistles
Rabbit S
Mountains
Trees, blueberry bushes
Beaver T
Cold
Snowdrifts
Algae, mosses
Lemming
Habitat
Forests and woodlands
Food
Nuts, fruits, young sprouts, insects, young mammals, and livestock
Space
3 to 90 square kilometers

22. Characteristics of Four Habitats. Black Bear Needs 11
Characteristics of Four Habitats Black Bear Needs The top chart shows some characteristics of four habitats. In which habitat would a black bear most likely be found? C. S
Habitat
Climate
Surface
Features
Main Plant Types
Plant Eater
Found in Habitat Q
Hot
Sand dunes
Cacti, grasses
Field mouse R
Cool
Hills
Grains, thistles
Rabbit S
Mountains
Trees, blueberry bushes
Beaver T
Cold
Snowdrifts
Algae, mosses
Lemming
Habitat
Forests and woodlands
Food
Nuts, fruits, young sprouts, insects, young mammals, and livestock
Space
3 to 90 square kilometers

23. C. Both producers and consumers D Neither producers nor consumers
12. Which group can live without water?
A. Producers only
B. Consumers only
C. Both producers and consumers
D Neither producers nor consumers

24. D. Neither producers nor consumers
12. Which group can live without water?
D. Neither producers
nor consumers

25. 13. On the prairie the herbivores would compete most for —
A. oxygen B. space C. grass D. soil

26. 13. On the prairie the herbivores would compete most for —
C. grass

27. 14. According to the table shown above, elk most likely compete with which organisms for food?
A. bobcats B. Bighorn sheep C. Bacteria D. Bronze frogs

28. 14. According to the table shown above, elk most likely compete with which organisms for food?
B. Bighorn Sheep

29. 15. Plants can survive in a clear, closed container without animals
15. Plants can survive in a clear, closed container without animals. Animals cannot survive in a closed container without plants. Why can’t animals survive in a closed container without plants?
F. Plants and animals need water to survive.
G. Plants produce oxygen, which animals need.
H. Plants take in and give off water; animals only take in water.
J. Plants are stationary; most animals roam freely.

30. 15. Plants can survive in a clear, closed container without animals
15. Plants can survive in a clear, closed container without animals. Animals cannot survive in a closed container without plants. Why can’t animals survive in a closed container without plants?
G. Plants produce oxygen, which animals need.

31. G. The number of salmon would most likely decrease.
16. Salmon is a type of fish that lives in the ocean and swims up rivers to reproduce. How would building a dam without a fish ladder affect the salmon population in the area?
F. The size of salmon would most likely increase.
G. The number of salmon would most likely decrease.
H. The salmon would become stronger swimmers.
J. The salmon would change their diet.

32. G. The number of salmon would most likely decrease.
16. Salmon is a type of fish that lives in the ocean and swims up rivers to reproduce. How would building a dam without a fish ladder affect the salmon population in the area?
G. The number of salmon would most likely decrease.

33. 17. Clearing a forest to build a shopping mall will most likely result in woodpeckers —
A. nesting on roofs
B. losing habitat
C. laying more eggs
D. flying slower

34. 17. Clearing a forest to build a shopping mall will most likely result in woodpeckers —
B. losing habitat

35. 18. Which basic need do groundhogs meet by digging tunnels in meadow soil?
A. Water B. Shelter C. Light D. Air

36. 18. Which basic need do groundhogs meet by digging tunnels in meadow soil?
B. Shelter

37. 19. Which of these shows the correct order of corn plant development?
A. 4, 1, 3, B. 3, 4, 1, C. 3, 1, 4, D. 4, 3, 2, 1

38. 19. Which of these shows the correct order of corn plant development?

39. 20. Which diagram shows an example of metamorphosis? F. H. G. J.
Metamorphosis: a change in the shape or characteristics of an animal’s body as it grows

40. 20. Which diagram shows an example of metamorphosis? F.
Metamorphosis: a change in the shape or characteristics of an animal’s body as it grows

41. A. sugar B. carbon dioxide C. nitrogen D. water vapor
21. In the diagram above, the label Z represents —
A. sugar B. carbon dioxide
C. nitrogen D. water vapor

42. 21. In the diagram above, the label Z represents —
B. carbon dioxide

43. Grass → Mouse → Snake → Hawk
22. In the diagram above, which of the following is represented? A. Water evaporating B. Energy being transferred C. The moon changing phase D. Light being reflected
Grass → Mouse → Snake → Hawk

44. Grass → Mouse → Snake → Hawk
22. In the diagram above, which of the following is represented? B. Energy being transferred
Grass → Mouse → Snake → Hawk

45. 23. Which diagram shows how energy flows through a food chain?
A. Producers → carnivores → herbivores
B. Sun → producers → herbivores → carnivores
C. Sun → herbivores → carnivores → producers
D. Carnivores → producers → herbivores

46. B. Sun → producers → herbivores → carnivores
23. Which diagram shows how energy flows through a food chain?
B. Sun → producers → herbivores → carnivores

47. 24. Which organism in this food chain is a producer? F. Fish G. Grass H. Grasshopper J. Hawk

48. 24. Which organism in this food chain is a producer? G. Grass

49. 25. When a dog sees a cat, a message travels from the dog’s eyes to the dog’s — F. Brain G. Nose H. Paws J. muscles

50. 25. When a dog sees a cat, a message travels from the dog’s eyes to the dog’s — F. Brain

51. 26. The pictures show the stages in the life cycle of a beetle
26. The pictures show the stages in the life cycle of a beetle. What would be the correct sequence for the development of the beetle?
A. Q, S, R, T B. R, T, Q, S
C. S, R, Q, T D. T, S, R, Q

52. 26. The pictures show the stages in the life cycle of a beetle
26. The pictures show the stages in the life cycle of a beetle. What would be the correct sequence for the development of the beetle?
B. R, T, Q, S

53. A. Beetle B. Frog C. Bird D. Snake egg → larva → pupa → adult
27. Which animal goes through the stages of metamorphosis
shown above?
A. Beetle B. Frog
C. Bird D. Snake

54. A. Beetle egg → larva → pupa → adult
27. Which animal goes through the stages of metamorphosis
shown above?
A. Beetle

55. Insect Life Cycle 28. Which part of this life cycle shows the adult organism? A. Q B. R C. S D. T

56. Insect Life Cycle 28. Which part of this life cycle shows the adult organism? B. R

57. 29. Which part of a jackrabbit most helps it escape predators?
F. Long legs G. Thick fur
H. Short tail J. Small head

58. 29. Which part of a jackrabbit most helps it escape predators?
F. Long legs

59. F. cold G. dry H. windy J. sunny
30. The African baobab tree has a huge trunk that can store as
much as 100 kiloliters of water. This adaptation would be an
advantage in a climate that is very —
F. cold
G. dry
H. windy
J. sunny

60. G. dry 30. The African baobab tree has a huge trunk that can store as
much as 100 kiloliters of water. This adaptation would be an
advantage in a climate that is very —
G. dry

61. 31. The African clawed frog has many adaptations that help it survive
31. The African clawed frog has many adaptations that help it survive. Which of these adaptations helps it survive changes in its environment? F. The ability to see color G. The ability to detect waves H. The ability to burrow J. The ability to eat

62. 31. The African clawed frog has many adaptations that help it survive
31. The African clawed frog has many adaptations that help it survive. Which of these adaptations helps it survive changes in its environment? G. The ability to detect waves

63. 32. Which of the following animal features most helps the animal move around in its habitat? A. A bird’s sharp beak B. A cow’s tail C. A sea turtle’s flippers D. A black bear’s fur

64. 32. Which of the following animal features most helps the animal move around in its habitat? C. A sea turtle’s flippers

65. 33. Which skull belongs to an animal best adapted for catching and eating fish?
A C
B D

66. 33. Which skull belongs to an animal best adapted for catching and eating fish?

67. C. Both producers and consumers D. Neither producers nor consumers
34. Which group changes light energy
into food energy?
A. Producers only
B. Consumers only
C. Both producers and consumers
D. Neither producers nor consumers

68. A. Producers only into food energy?
34. Which group changes light energy
into food energy?
A. Producers only

69. 35. The mole is an animal that digs tunnels. Which of the following
characteristics would NOT be an advantage to a mole?
A. Sharp claws
B. Large ears
C. Small eyes
D. Strong legs

70. 35. The mole is an animal that digs tunnels. Which of the following
characteristics would NOT be an advantage to a mole?
B. Large ears

71. 36. Some salamanders have a sticky tongue and a wide mouth
lined with teeth. These animals most likely feed on —
F. insects and other tiny animals
G. leaves and other plant structures
H. algae and other microorganisms
J. dead and decaying materials

72. 36. Some salamanders have a sticky tongue and a wide mouth
lined with teeth. These animals most likely feed on —
F. insects and other tiny animals

73. 37. As seagulls fly over the water, they sometimes dive into the
water to catch prey. Which of these senses is useful to seagulls
that feed in this manner?
A. Sight
B. Smell
C. Hearing
D. Touch

74. 37. As seagulls fly over the water, they sometimes dive into the
water to catch prey. Which of these senses is useful to seagulls
that feed in this manner?
A. Sight

75. 38. Which of the following characteristics would NOT give animals
an advantage in the ocean?
F. Long body hair
G. A smooth body
H. Structures that sense movement
J. A strong sense of smell

76. 38. Which of the following characteristics would NOT give animals
an advantage in the ocean?
F. Long body hair

77. F. looking for the sun G. hiding from predators
39. The type of penguin shown in the picture above lives in the icy lands of Antarctica. The male penguins huddle together in a tight group. They stay in these tight groups most likely because they are —
F. looking for the sun G. hiding from predators
H. sharing body heat J. fighting over a piece of food

78. 39. The type of penguin shown in the picture above lives in the icy lands of Antarctica. The male penguins huddle together in a tight group. They stay in these tight groups most likely because they are —
H. sharing body heat

79. 40. The brown fur of the arctic hare turns white in winter
40. The brown fur of the arctic hare turns white in winter. How does this color change most likely help the arctic hare? F. It helps the animal save water G. It helps the animal hide from predators H. It helps keep the animal cool J. It helps protect the animal from disease.  .

80. 40. The brown fur of the arctic hare turns white in winter
40. The brown fur of the arctic hare turns white in winter. How does this color change most likely help the arctic hare? G. It helps the animal hide from predators

81. 41. Which of the following characteristics of a field mouse is most likely inherited from its parents? F. Brown fur G. Torn ear H. Scar on its leg J. Chipped tooth

82. 41. Which of the following characteristics of a field mouse is most likely inherited from its parents? F. Brown fur

83. 42. One example of a trait passed from a parent plant to its offspring is — F. the amount of water in the plant’s environment G. the amount of sunlight shining on the plant H. the color of the flowers on the plant J. the nutrients in the soil where the plant grows

84. 42. One example of a trait passed from a parent plant to its offspring is — H. the color of the flowers on the plant

85. 43. Which of the following is an inherited trait in African clawed frogs? A. The location of wave detectors on the frog B. The location of the frogs in a pond C. The number of insects eaten by the frogs in an hour D. The number of times the frogs look for insects in an hour.

86. 43. Which of the following is an inherited trait in African clawed frogs? A. The location of wave detectors on the frog

87. 44. Coyotes learn some of their behaviors as they move around in
their environment. Which behavior is most likely learned?
A. Running B. Drinking water
C. Avoiding cacti D. Sleeping

88. their environment. Which behavior is most likely learned?
44. Coyotes learn some of their behaviors as they move around in
their environment. Which behavior is most likely learned?
C. Avoiding cacti

89. 45. Raccoons living in cities have learned to open lids of garbage cans.
This is an example of an animal —
A adapting to its environment
B inheriting the ability to change its diet
C being tamed by humans
D becoming a plant eater

90. 45. Raccoons living in cities have learned to open lids of garbage cans.
This is an example of an animal —
A. adapting to its environment

91. 46. Which of these is an example of a learned behavior?
A C
B D

92. 46. Which of these is an example of a learned behavior?

93. cars. Which of these is a learned behavior?
47. Crows are found throughout many parts of the world. They are black birds
with excellent hearing. In the wild they live for six to seven years. Some
crows in Japan open hard-shelled nuts by dropping them in front of moving
cars. Which of these is a learned behavior?
A . Having excellent hearing
B. Living six to seven years
C. Dropping nuts in front of cars
D. Having black feathers

94. C. Dropping nuts in front of cars
47. Crows are found throughout many parts of the world. They are black birds
with excellent hearing. In the wild they live for six to seven years. Some
crows in Japan open hard-shelled nuts by dropping them in front of moving
cars. Which of these is a learned behavior?
C. Dropping nuts in front of cars