Download Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)

Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
Name:_____________________________________________
Date:________________________
1. Species adapt to changes in their environment through which process?
A. extinction
B. mating
C. migration
D. evolution
2. Organisms that absorb nutrients from dead plants and animals are called —
A. carnivores.
B. decomposers.
C. herbivores.
D. producers.
Pemission has been granted for reproduction by the Virginia Department of Education
© Virginia Department of Education
3. The picture below shows the animal tracks Jeremy found by a riverbank.
Which of the following events probably took place in area X of the picture?
A. Animal 1 was eaten by animal 2.
B. Animal 2 flew away.
C. Animal 2 was eaten by animal 1.
D. Animal 1 stepped in the tracks of animal 2 when leaving area X.
1
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
4.
What is the correct series of steps for the movement of energy in a food chain?
A. producers consumers scavengers and recyclers sun
B. sun consumers producers scavengers and recyclers
C. sun producers scavengers and recyclers consumers
D. sun producers consumers scavengers and recyclers
5. Which is a hypothesis?
A. Five earthworms died when the soil became too dry.
B. Earthworms have a mucous-covered outer surface.
C. Heavy rain causes earthworms to move above ground.
D. What will happen if an earthworm is cut in two?
6. In the ocean scene below, which of the following are MOST LIKELY at the top of the food chain?
A. the two forms of kelp
B. the seal and the otter
C. the fish and the snails
D. the plankton and algae
2
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
7.
The food chain above, from bottom to top, shows that freshwater crustaceans are eaten by shad, which are eaten by
perch, which are then eaten by pike. Finally, ospreys eat the pike. What would be the predicted outcome, short-term
or long-term, if a seafood restaurant caught most of the perch in the lake?
A. There would be a permanent decrease in shad.
B. Most of the pike in the lake would starve and die.
C. There would be a dramatic increase in freshwater crustaceans.
D. The perch would migrate to another lake due to the pike shortage.
8. Which is least important for most kinds of bacteria to grow?
A. warmth
B. light
C. food
D. water
9. The black widow spider is common to Virginia's ledges, rocks, and plants. Why are these spiders important
to the balance in nature?
A. They poison other animals.
B. They are harmless to people.
C. They eat plants.
D. They help control some insects.
Permission has been granted for reproduction by the Virginia Department of Education
© Virginia Department of Education
3
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
10. This picture shows a clownfish finding protection as it hides in sea anemones in the ocean.
Clownfish help provide food for anemones. Which of these describes the relationship between clownfish and sea
anemones?
A. competition
B. mutualism
C. parasitism
D. predation
11. Taiga is a biome consisting of evergreen trees (conifers). Where is taiga found?
A. northern parts of Mexico
B. midwestern states such as Kansas
C. northeastern states such as Massachusetts
D. southwestern parts of Canada
12. Many people are infected by a tropical disease that is carried by a certain type of insect. What should biologists
attacking the problem do first?
A. destroy all of those insects
B. predict what may happen if all of those insects were destroyed
C. not worry, because there are no tropical diseases in this country
D. leave all of the insects alone
13. Most of the organisms in the oceans exist in the shallow waters over the continental shelves. Why is this true?
A. Producers, the beginning of all food chains, can only exist where there is sunlight.
B. Sea predators can easily catch their prey where the water is shallow.
C. Water over the continental shelves has more minerals than deep ocean water.
D. Ocean storms destroy organisms living in deep water.
4
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
14.
What is the first source of energy for all food webs?
A. plants
B. sunlight
C. minerals in the soil
D. decomposers and recyclers
15. Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
A. A taiga
B. A tundra
C. A deciduous forest
D. A grassland
Permission has been granted for reproduction by the Virginia Department of Education
© Virginia Department of Education
16. Juan conducted an experiment on the growth of two identical potted geraniums. He placed one plant on the
windowsill and one in the closet and watered both of them. Which variable was Juan most likely testing?
A. light
B. pot size
C. soil
D. water
17. Which of the following is the best way to investigate the effect of fertilizers on potato plants?
A. Put several potato plants outdoors and several potato plants indoors and give both groups different amounts of
fertilizer.
B. Add fertilizer to several potato plants.
C. Grow several potato plants under the same conditions but vary the amount of fertilizer added to each.
D. Grow several potato plants under various temperature conditions.
18. Which of these BEST explains why predators need plants, such as grass, in their ecosystems?
A. Plants are a large part of their diets.
B. Plants provide safety for the predators.
C. Plants break down the organisms that the predators eat.
D. Plants provide food for the animals that the predators eat.
19. Which item is considered hazardous waste?
A. soda bottle
B. aluminum foil
C. cardboard box
D. motor oil
5
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
20. The diagram below shows a food web.
Which population of organisms would MOST LIKELY increase if there were fewer grasshoppers?
A. frogs
B. hawks
C. mice
D. owls
21.
Western swallowtail butterflies come in two colors, black or yellow. Because swallowtails are eaten by a number of
bird species, they usually try to escape by camouflaging themselves against objects in their environment.
What would happen to a local butterfly population if farmers began planting large fields of yellow sunflowers?
A. Both black and yellow butterflies would become more common.
B. Both black and yellow butterflies would become less common.
C. Black butterflies would become less common, while yellow butterflies became more common.
D. Yellow butterflies would become less common, while black butterflies became more common.
6
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
22. Which of the following symbiotic relationships is considered parasitic?
A. ticks feeding on a dog
B. bees transporting pollen from flowers
C. pilotfish swimming under sharks
D. birds eating the insects from the back of a hippopotamus
This online assessment item contains material that has been released to the public by the Massachusetts Department of Education.
23. Which biome is characterized by low temperatures and low amounts of rainfall?
A. tundra
B. desert
C. temperate deciduous forest
D. tropical rain forest
24. A food web is shown below.
Which organism in this food web is a decomposer?
A. American plum
B. Golden mycena
C. Metallic wood borer
D. White-tailed deer
This online assessment item contains material that has been released to the public by the Massachusetts Department of Education.
7
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
25.
How does the organism pictured above obtain energy?
A. It coverts carbon dioxide and water into food.
B. It uses sunlight to make its own food.
C. It converts minerals in the soil into food.
D. It consumes and recycles dead organisms and wastes in soil.
8
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
Answer Key
1. D) evolution
2. B) decomposers.
3. A) Animal 1 was eaten by animal 2.
4. D) sun
producers
consumers
scavengers and recyclers
5. C) Heavy rain causes earthworms to move above ground.
6. B) the seal and the otter
7. B) Most of the pike in the lake would starve and die.
8. B) light
9. D) They help control some insects.
10. B) mutualism
11. D) southwestern parts of Canada
12. B) predict what may happen if all of those insects were destroyed
13. A) Producers, the beginning of all food chains, can only exist where there is sunlight.
14. B) sunlight
15. D) A grassland
16. A) light
17. C) Grow several potato plants under the same conditions but vary the amount of fertilizer added to each.
18. D) Plants provide food for the animals that the predators eat.
19. D) motor oil
20. C) mice
21. C) Black butterflies would become less common, while yellow butterflies became more common.
22. A) ticks feeding on a dog
23. A) tundra
24. B) Golden mycena
9
Henry7SCI2 (H7SCI_INTERDEPENDENT_LIFE)
25. D) It consumes and recycles dead organisms and wastes in soil.
10