AnswersKY-Integrated Science I CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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21
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Brendan made a chart to categorize the characteristics of animals.

Question illustration
A
Have a backbone
B
Are warm-blooded
C
Are multicellular
D
Eat plants
22
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Which is most likely a source of air pollution?

A
littering
B
CFCs
C
oil spill
D
runoff
23

If the endoplasmic reticulum were removed from the cell, which organelle would not be able to function properly, and why?

A
mitochondria, because they rely on the ER as an energy source
B
ribosomes, because they receive proteins made by the ER
C
Golgi apparatus, because it packages proteins received from the ER
D
cytoplasm, because it relies on the ER for structural support
24

How does the cell wall protect a plant cell?

A
The cell wall protects the cell by providing support and maintaining the cell's shape.
B
The cell wall protects the cell by storing food so the plant doesn't run out.
C
The cell wall is thin and flexible, which allows the cell to be moved without harming the organelles.
D
The cell wall is on the inside of the cell and serves to contain the contents of the cell.
25

Which type of process occurred in the ecosystem that was affected by the 1988 fires in Yellowstone Park, which destroyed most of the vegetation but left the soil intact?

A
primary succession
B
secondary succession
C
a climax community
D
species extinction
26

Kudzu is a vine that was brought to the United States from Japan to prevent erosion. Once here, kudzu became invasive. What role does kudzu most likely play in the environment in the United States?

A
Kudzu experiences loss due to overeating by livestock.
B
Kudzu is very susceptible to harsh winter conditions.
C
Kudzu outcompetes native plants for sunlight and nutrients.
D
Kudzu reproduces at a slow rate.
27

Drinking too much water during exercise can cause a condition in which the concentration of sodium in the blood is lower than normal. What immediate response would the blood cells have in this condition?

A
Cells swell as water moves into them.
B
Cells swell as water moves out of them.
C
Cells shrivel as water moves out of them.
D
Cells shrivel as water moves into them.
28

There is an algal bloom in a bay in a populated area. As the leading marine biologist in the area, what is the most important thing to do, based on scientific evidence about such blooms?

A
warn people about which food is safe to eat
B
develop a strategy to prevent future algal blooms
C
encourage people to go clean the affected area
D
evacuate all wildlife from the bay
29

Hyenas and lions have fierce battles over food. Which type of relationship does this describe?

A
parasitism
B
commensalism
C
predation
D
competition
30

Aristo was riding in a car and noticed a pond that was covered in algal blooms due to excess phosphorus in the water. Which of these other features in the landscape could be the reason for the high levels of phosphorus?

A
many cars
B
cow pasture
C
solar panels
D
forest
31

How do rock types contribute to the rate of weathering?

A
Porous minerals weather faster.
B
Harder minerals break apart more easily.
C
Minerals that dissolve easily weather slower.
D
Permeable rocks have less chemical reactions.
32

During transcription, what happens to the RNA polymerase if a repressor protein attaches to the operator?

A
It begins transcription.
B
It begins translation.
C
It cannot attach to enzyme 1.
D
It cannot attach to the promoter.
33

Which organisms are prokaryotes?

A
archaea
B
fungi
C
protists
D
plants
34

Which term describes weathering?

A
breaks down rock
B
causes heating and cooling
C
makes pebbles and rocks larger
D
carries away fragments
35

Which of these can be found in both gymnosperms and angiosperms?

A
vascular tissue and exposed seeds
B
vascular tissue and seeds
C
flowers and vascular tissue
D
enclosed seeds and flowers
36

The first strands of DNA were observed through which microscope?

A
tunneling microscope
B
simple microscope
C
compound light microscope
D
electron microscope
37

Which organism is an animal-like protist?

A
cilia
B
dinoflagellate
C
amoeba
D
truffle
38

Which is the correct order of processes that occur as water moves from a lake to a cloud and then back to Earth's surface?

A
evaporation, condensation, precipitation
B
condensation, evaporation, precipitation
C
precipitation , condensation, evaporation
D
evaporation, precipitation, condensation
39

Brendan made a diagram to compare and contrast the benefits of two types of social behavior.

Question illustration
A
reproduction
B
protection
C
foraging
D
hydrodynamic efficiency
40

Which is an advantage of flowering plants?

A
Flowers attract insects that transport gametes.
B
Flowers give greater access to sunlight.
C
Flowers help transport water and nutrients.
D
Flowers assist plants that live in the water.

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