AnswersFL-2000310-Biology 1 BCumulative Exam

Cumulative Exam — Cumulative exam Answers

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21
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Which of the following is an example of adaptive radiation?

A
One population of squirrels becomes two separate species over a long time.
B
One population of lizards forms 15 separate species over a short time.
C
One species of birds becomes better suited to its environment over time.
D
One species of fish forms when two species of fish begin to breed with each other.
22
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This diagram illustrates the three types of plant tissue.Which main plant tissue are the lines pointing to in the enlarged diagram?

Question illustration
A
dermal
B
ground
C
vascular
D
meristem
23

Which of the following best explains how a hurricane can increase an area’s susceptibility to future storms?

A
Storm surges cause massive damage to buildings along coastlines.
B
Hurricanes often flood coastal communities.
C
Hurricane strength winds cause large amounts of property damage.
D
Erosion caused by hurricanes can leave coasts more exposed to storms.
24

A weakened immune system may be caused by

A
an overproduction of lysozymes.
B
muscle disorders.
C
immunodeficiency disorders.
D
complement systems in the blood.
25

Pandas eat bamboo for energy. What are pandas?

A
producers
B
consumers
C
decomposers
D
autotrophs
26

A disease-causing bacteria successfully enters your body, making it past the first and second lines of defense. Which barrier will then act on the bacteria?

A
chemical
B
physical
C
biological
D
electrical
27

Which is an advantage of producing genetically engineered crops that have pest-resistant genes?

A
bioaccumulation of pesticides
B
allows farmers to grow any crop they want
C
reduces the use of pesticides for certain insects
D
gene transfer to nontarget species
28

Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______.

A
coal
B
biomass
C
biofuels
D
petroleum
29

Suzanne has type A– blood. Which blood type could she receive in a blood transfusion?

A
A+
B
O–
C
O+
D
B–
30

The child of a professional basketball player is a star player on a high school basketball team. Which statement best describes the child's ability?

A
The environment in which the child has grown up has increased the child's inherited ability.
B
The environment in which the child has grown up has overcome the child's inherited ability.
C
The child's inherited ability has overcome the environment in which the child has grown up.
D
The child's inherited ability alone is responsible for the child's success with no influence from the environment.
31

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.
32

Which of the following practices that are needed to run a nuclear power plant has a negative impact on both air and water?

A
cooling of the power plant
B
mining of uranium
C
storage of radioactive waste
D
monitoring the reactor
33

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
34

A news article discussed a genetically engineered medicine that is used to enhance the production of antibodies that are used against disease. Which medicine can this article be about?

A
insulin
B
flu shot
C
penicillin
D
human growth hormone
35

Which of the following best explains why buildings tip during earthquakes?

A
Seismic waves damage buildings’ foundations.
B
The liquefaction of solid soil undermines buildings’ foundations.
C
Body waves break underground water pipes.
D
Surface faulting moves the ground in different directions.
36

What is the function of the hormone progesterone?

A
preparation of the body for maintaining pregnancy
B
development of male secondary sex characteristics
C
development of female secondary sex characteristics
D
preparation of the fallopian tube for fertilization
37

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. A pansy that is homozygous for purple flowers (PP) is crossed with a pansy that is homozygous for pink flowers (pp). Which genotypes will be included for the offspring in the Punnett square for this cross?

Question illustration
A
PP, Pp, and pp
B
PP and pp
C
PP and Pp
D
Pp only
38

What is an advantage of using nuclear power?

A
Nuclear power is generated at a lower cost than traditional methods.
B
Nuclear power produces less pollution than traditional methods.
C
Nuclear power is more efficient than traditional methods.
D
All of the above
39

A student described his new pet dog to his friends. Which part of his description identifies an acquired trait of his new dog?

A
He has brown, spotted fur.
B
He responds when we call his name.
C
He has one blue eye and one brown eye.
D
He has a very long tail.
40

Male peacocks have large colorful tails that they spread in a fan shape to attract females during courtship. Peahens (female peacocks) are more likely to mate with males that have larger and more colorful tails. As a result, few peacocks have tails with dull coloring.Which concept is demonstrated by a decrease in dull coloring?

Question illustration
A
speciation
B
biodiversity
C
natural selection
D
variation

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