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Final Exam Review
Final Exam Review
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StudBud Administration
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End of first semester review
Flashcards
31 cards
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Practice quiz
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Host live
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Questions
31
Answers
1
The basic unit of mass in the metric system is the
liter.
meter.
gram.
ounce.
2
All of the members of a particular species that live in one area are called a (an)
community.
ecosystem.
biome.
population.
3
All the interconnected feeding relationships in an ecosystem make up a food
network.
interaction.
web.
chain.
4
The cell membrane consists of channels and pumps made of what?
Proteins
Acids
Lipids
Carbohydrates
5
A light microscope can magnify a specimen up to how many times?
1000
1500
2000
10,000
6
The diffusion of water is
osmotic pressure
active transport
facilitated diffusion
osmosis
7
When individuals in a population reproduce at a constant rate, it is called
exponential growth
logistic growth
demographic growth
growth density
8
150 plants per square km in an area of AZ desert.Which pop characteristic does this refer?
geographic distribution
population density
age structure
growth rate
9
What does the cytoskeleton do?
Gives the cellular bones
Holds the DNA
None of the above
Maintains cell shape
10
To observe a small living organism, a scientist might use a (an)
electronic balance.
compund light microscope.
TEM.
electron microscope.
11
Information gathered from observing a plant grow 3 cm over a two-week period results in
inferences.
<div>hypotheses</div>
variables.
data
12
A theory
is a problem to be solved.
may be revised or replaced.
is always true.
is the opening statement of an experiment.
13
A flower and an insect that feeds on its nectar is an example of
commensalism
parasitism
mutualism
predation
14
Which type of pyramid shows the numberof organisms at each trophic level in anecosystem?
a numbers pyramid
a biomass pyramid
a food pyramid
an energy pyramid
15
Monosaccharide is to carbs as
DNA is to RNA.
nucleotide is to nucleic acid.
glycerol is to proteins.
fat is to lipid.
16
Nitrogen fixation is carried out primarily by
plants.
bacteria.
humans.
consumers.
17
The main function of the cell wall is to
direct the activities of the cell.
support and protect the cell.
store DNA.
help the cell move.
18
A controlled experiment allows the scientist to isolate and test
several variables
a single variable
a mass of information
a conclusion
19
The process of water evaporating from the leaves of a plant is called
condensation.
transpiration.
evaporation.
precipitation.
20
Prokaryotes are
bacteria
plants
protists
fungi
21
What are the combined portions of Earth called where all living things exist?
biosphere
biomes
ecosystems
communities
22
The number of different ecosystemsin the biosphere is called
biodiversity.
species diversity.
ecosystem diversity.
genetic diversity.
23
A group of ecosystems that have the same climate and dominant communities is called a (an)
community.
biome.
landscape.
biosphere.
24
Your beverage has a pH of 6, it is a(an)
acid
neutral
base
none of the above
25
What % of energy is can be passed from one organism to the next?
100%
10%
1%
30%
26
An organism that cannot make its own food is called a (an)
chemotroph.
autotroph.
producer.
heterotroph.
27
Which of the following is NOT a characteristic of all living things?
ability to move
response to the environment
growth and development
ability to reproduce
28
Which organelle produces energy for the cell?
Lysosome
ER
Mitochondria
Golgi Apparatus
29
In science, a hypothesis is useful only if
The explanation is already known
It is proven correct
It can be proven incorrect
It can be tested
30
Which term is not associated with the carbon cycle?
Transpiration
Photosynthesis
Burning fossil fuels
Decomposition
31
What occurs in a population as it grows?
Thebirthrate becomes lower than the death rate.
Thebirthrate stays the same, and the death rate increases.
Thebirthrate becomes higher than the deathrate.
Thebirthrate and the death rate remain the same.
