AnswersKY-Integrated Science I CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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1
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Which action can humans take to reduce wave erosion?

A
build drainage systems
B
build houses near coastlines
C
build breakwaters in the ocean
D
reduce vegetation along coastlines
2
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Consider the phylogenetic tree.Which pair of organisms is most closely related to primates?

Question illustration
A
amphibians and rodents
B
crocodiles and amphibians
C
rodents and rabbits
D
dinosaurs and birds
3

Pandas eat bamboo for energy. What are pandas?

A
producers
B
consumers
C
decomposers
D
autotrophs
4

Which most clearly shows evolutionary relationships between species?

A
binomial nomenclature
B
phylogenetic tree
C
common name
D
morphological data
5

Which type of mass movement is the most destructive?

A
creep
B
erosion
C
landslide
D
slump
6

If the data below were put into a bar graph, which animal would have the lowest bar on the bar graph?Number of Individuals in a Rocky Mountain Forest OrganismPopulationMountain lions150Bobcats300Coyotes10,000Deer25,000

A
mountain lions
B
bobcats
C
coyotes
D
deer
7

A microgram of skin cells.

Question illustration
A
cell
B
tissue
C
organ
D
organ system
8

Which materials are moved by runoff?

A
nutrients
B
vegetation
C
large rocks
D
paved surfaces
9

A student constructs a Venn diagram to compare the organelles in plant and animal cells.Venn Diagram of Plant and Animal CellsWhich organelle should be listed under “Animal Only” in the diagram?

Question illustration
A
nucleus
B
centriole
C
ribosome
D
cell wall
10

During which process is mRNA synthesized from a DNA template with the aid of RNA polymerase?

A
transcription
B
translation
C
translocation
D
transportation
11

Which is a component of the modern cell theory that was not part of the original cell theory?

A
All organisms are made of cells.
B
All cells are similar in composition and metabolic activities.
C
All cells come from preexisting cells.
D
A cell is the basic unit of structure and function for all living things.
12

Which describes the primary function of the nervous system in keeping the body in homeostasis?

A
It processes the environment and sends out signals.
B
It controls movement and provides structure.
C
It physically breaks down and absorbs food.
D
It puts oxygen in the blood, which is essential for life.
13

Why is water considered to be abiotic?

A
because it is not part of the biosphere
B
because it came from something living
C
because it is dead
D
because it is not living and never lived
14

Many scientists are concerned that the Ogallala aquifer in the United States is being depleted at an alarming rate. What would most likely be a major effect of this aquifer running dry?

A
Many crops would die because irrigation water would be limited.
B
The water cycle would come to a halt in the area.
C
Farmers would have to water crops with salt water.
D
Most people in the United States would not have drinking water.
15

Some animals shiver as a natural, involuntary response to their environment. Shivering generates heat. This is an example of which function?

A
reducing movement to regulate body temperature
B
reducing movement to regulate blood glucose
C
maintaining homeostasis by regulating body temperature
D
maintaining homeostasis by regulating blood glucose
16

A Russian citizen has illegally obtained a Siberian tiger and is trying to sell the tiger’s fur in the United States. What treaty does this violate?

A
Tiger Treaty
B
Lacey Treaty
C
CITES
D
EPA
17

A forest fire destroys an area. A small population of trees and a large population of birds are both affected. Which type of limiting factor causes this?

A
density dependent
B
density independent
C
population dependent
D
population independent
18

Which statement explains what happens to sediment during deposition?

A
It is transported to a different location.
B
It is released from a transporting medium.
C
It settles down beneath existing sediment.
D
It breaks down into finer sediment particles.
19

Which statement correctly describes the electrons in a water molecule?

A
Electrons are pulled closer to the hydrogen atoms.
B
Electrons are pulled closer to the oxygen atom.
C
Electrons are located inside the nucleus of the hydrogen atoms.
D
Electrons are located inside the nucleus of the oxygen atoms.
20

Which term refers to a solution with a higher solute concentration outside the cell than inside the cell?

A
hypertonic
B
hypotonic
C
equitonic
D
isotonic

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