Biology Midterm Review
Miller and Levine Biology
. All of life on Earth exists in a region
known as __________________.
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an ecosystem
the biosphere
ecology
a biome
the biosphere
Autotrophs are organisms
that_______________
• rely on other organisms for energy and
food.
• obtain energy from only eating plants
• consume plant and animal remains
• use energy from the sun to convert
inorganic
molecules into organic molecules for
food
The series of steps in which a large fish
eats a small fish that has eaten algae is
a________.
• food web
• food chain
• pyramid of numbers
• biomass pyramid
food chain
Nutrients move through an ecosystem
in ____________.
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water cycles
energy pyramids
biogeochemical cycles
biomass pyramids
biogeochemical cycles
Homeostasis is ___
• the process by which organisms keep
their internal conditions stable
• part of an organism’s metabolism
• a necessary part of evolution
• part of your genes
the process by which…..
Which of the following is NOT a
characteristic of living things?
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all living things are green
all living things grow and develop
all living things reproduce
all living things respond to stimuli
all living things are green
Most of the energy used by life on
Earth comes from the____
• rotation of the Earth
• moon
• weather
• sun
sun
Chlorophyll is green because ___
• it absorbs green wavelengths
• it reflects green wavelengths of light
• of an optical illusion caused by
transmitted light
• it absorbs blue and yellow
wavelengths, which makes green
Where do plants get the carbon
dioxide needed for photosynthesis?
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water
the sun
the air
glucose
the air
The Earth has three main climate
zones; ________, ________ and
_____________.
• polar
• temperate
• tropical
What is considered to be the world’s
insulating blanket?
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oxygen
the atmosphere
the ocean
solar energy
the atmosphere
Which of the following is NOT an
example of a density-dependent
limiting factor?
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natural disasters
competition
predation
diseases
natural disasters
Only about ___% of the energy
available within one trophic level is
transferred to organisms in the
next trophic level.
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1%
90%
10%
0.1%
10%
A ____ links all the food chains in
an ecosystem together to form a
network of complex interactions.
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food chain
biogeochemical cycles
food web
nitrogen fixing
food web
The total change in a population’s size
over time is_____
immigration
• birthrate and death rate
• emigration
• population growth rate
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population growth rate
Which sentence is true about ocean
currents?
• Ocean currents transport heat through
the biosphere.
• Ocean currents have no effect on
climate.
• Ocean currents are caused by the wind.
• Ocean currents occur as a result of
constant water temperature.
ocean currents transport heat through
the biosphere
Light energy is converted to chemical
energy through the process of
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photosynthesis
cellular respiration
glycolysis
fermentation
photosynthesis
______ obtain energy from eating only
plants.
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omnivores
carnivores
herbivores
detrivores
herbivores
Which factors increase the size of a
population?
• emigration
• emigration, birthrate and
immigration
• birthrate and immigration
• emigration and immigration
birthrate and immigration
Water entering the atmosphere
through evaporation from the leaves
of plants is a process called ________.
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evaporation
condensation
transpiration
root uptake
transpiration
A limiting factor that depends on
population size is called a_____
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density independent limiting factor
parasitic relationship
density dependent limiting factor
predator-prey relationship
density dependent limiting factor
The range or area occupied by a
population is its_____?
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growth rate
age structure
population density
geographic distribution
geographic distribution
A _____________ factor is a
biological(living) influence on
organisms within an ecosystem.
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niche
biotic
abiotic
habitat
biotic
Draw a graph of both exponential and
logistic population growth. Show
carrying capacity where applicable.
Cellular respiration occurs in___
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plants only
animals and plants
animals only
bacterial only
animals and plants
The maximum number of organisms of
a particular species that can be
supported by an environment is
called___
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logistic growth
population density
carrying capacity
exponential growth
carrying capacity
Plant cells have ____
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mitochondria only
both mitochondria and chloroplasts
chloroplasts only
neither mitochondria nor
chloroplasts
both mitochondria and chloroplasts
Carbon is found in what form in the
atmosphere?
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carbon dioxide
methane
calcium carbonate
ozone
carbon dioxide
Density-independent limiting factors
include______
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predation
hurricanes
competition
parasitism
hurricanes
Where are the pigments located in the
chloroplast?
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in the thylakoid
in the mitochondria
in the carotenoids
in the chlorophyll
in the thylakoid
An example of an abiotic factor
is________________.
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algae an animal eats
temperature
water supply
light
temperature, water, light
The Calvin Cycle takes place in the __
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nucleus
stroma
thylakoid membrane
granum
stroma
Photosynthesis takes what 3 things to
make energy for a plant?
• carbon dioxide, water, and energy
• carbon monoxide, water, and energy
• carbon dioxide cytoplasm, and
energy
• carbon monoxide, cytoplasm
&energy
_______ occurs when organisms
of the same species try to use an
ecological resource in the same
place at the same time.
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symbiosis
mutualism
competition
resource
competition
What role does NADPH play in
photosynthesis?
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storing light
storing carbon dioxide
storing water
storing electrons (energy)
storing electrons
Any item that is necessary for life
(water, nutrients, light, food, space) is
called a _______.
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habitat
resource
niche
competition
resource
The part of photosynthesis that does
not require light is known as the ____.
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The Calvin Cycle
The Darwin Cycle
The Krebs Cycle
The Hooke Cycle
The Calvin Cycle
What is ATP?
• An energy source for plants
• a compound created by the smooth
endoplasmic reticulum
• an energy source for animals
• an energy source for both plants and
animals
energy source for plants and animals
_________ is a relationship
between two species that live
closely together.
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community
habitat
symbiosis
predation
symbiosis
What is the name of the high energy
sugar that is formed during
photosynthesis?
• sucrose
• glucose
• fructose
• maltose
glucose
The series of predictable changes that
occur in a community over time is
called ___________.
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ecological succession
pioneer species
evolution
none of the above
ecological succession
What is the role of ATP synthase?
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enzyme that breaks down ATP
enzyme that creates ADP from ATP
enzyme that produces ATP
enzyme that breaks down ADP
enzyme that produces ATP
The gradual change in living
communities following a disturbance is
called _________________.
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chemistry
evolution
succession
biotic
succession
Which of the following are products of
the light reactions of photosynthesis
that are utilized in the Calvin cycle?
• CO2 and glucose
• H2O and O2
• electrons and H+
• ATP and NADPH
ATP and NADPH
The top layer that plants make up in
the rainforest is called the ____
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conifer
canopy
plankton
polar zone
canopy
The climate zone that receives direct,
year round sunlight is the ____
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polar zone
equatorial zone
temperate zone
tropical zone
tropical zone
The permanently dark section of the
ocean is called the _____
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photic level
deep level
aphotic level
abiotic level
aphotic level
If carbon dioxide is removed from a
plant's environment, what would you
expect to happen to the plant's
production of high-energy sugars?
• more sugars will be produced
• the same number of sugars will be
produced but without carbon dioxide
• fewer sugars will be produced
• carbon dioxide does not affect the
production of high energy sugars
Plants produce what two products
during photosynthesis?
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carbon dioxide and oxygen
glucose and carbon dioxide
oxygen and glucose
nitrogen and glucose
oxygen and glucose
The number of individuals of a single
species per unit area is known as___
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carrying capacity
population growth rate
logistic growth
population density
population density
A complex of territorial communities
that covers a large area and is
characterized by certain soil and
climate conditions and particular types
of plants and animals is called a(n)___.
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habitat
biome
zone
tundra
. The movement of individuals into an
area is called_____?
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emigration
immigration
carrying capacity
demography
immigration
Match the following
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1. biome
A.
The combined portions of earth in which all
life exists.
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2. community
B.
A community of living organisms in a particular
area along with its non- living environment.
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3. population
C.
A group of similar organisms with common
characteristics that are able to breed among
themselves.
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4. biosphere
D.
A group of similar species living in one general
area.
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5. ecosystem
E.
A large community in a distinct region
characterized by climate, biotic and abiotic
factors.
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6. species
F.
Several populations of plants and animals in
the same region who interact through food
and other relationships.
Short Answer Questions
• Explain what you think might happen
is large areas of the rainforest are cut
down.
• Explain the difference between
immigration and emigration.
• Explain how density dependent and
density independent limiting factors
can affect populations.
Short Answer Questions
• Identify two ways in which industrial
development has affected
ecosystems.
• Explain the role that plant pigments
play in photosynthesis.
• Summarize what happens during the
Calvin Cycle.