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Biology midterm review
Biology midterm review
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1
With an increase in _________ in the atmosphere, global temp is _______
nitrogen, going up
carbon, going down
oxygen, going down
carbon, going up
2
The work of scientists usually begins with
careful observations
creating experiments
drawing conclusions
testing a hypothesis
3
How do scientific theories compare to hypotheses?
Theories are the same as hypotheses
Hypotheses are the dominant view among scientists
Hypotheses combine many theories to explain events
Theories unify a broad range of observations and hypotheses
4
Organisms that cannot make their own food are called
thylakoids
plants
autotrophs
heterotrophs
5
Plants are
Primary producers
Herbivores
omnivores
primary consumers
6
Which is at the base of all ecological pyramids?
producers
decomposers
scavengers
consumers
7
In chemical reactions, atoms are
neutralized
destroyed
Created
rearranged
8
Which of the following is not a monomer?
a nucleotide
an amino acid
A glucose molecule
a protein
9
Which of the following is NOT a part of the ATP molecule
Ribose
Chlorophyll
Phosphate
Adenine
10
Organisms such as plants, that make their own food are called
heterotrophs
thyloakoid
autotrophs
pigments
11
Energy can be passed on to the next trophic level and be used for life processes, the rest is
used in reproduction
stored as fat
stored as body tissue
eliminated as heat
12
Which of these is a product of cellular respiration?
glucose
water
oxygen
lactic acid
13
Carbon cycles through the biosphere in all of the following processes EXCEPT
transpiration
burning of fossil fuels
photosynthesis
decomposition of plants and animals
14
Which of the following is not a characteristic of all living things?
response to the environment
the ability to reproduce
Growth and development
the ability to move
15
Animals that get energy from eating animals that died from other predators or natural causes
detritivores
scavengers
heterotrophs
omnivores
16
Living things increase in the amount of living material during their lives through...
Reproduction
growth and development
making responses
adaption
17
The two main types of anaerobic fermentation are
lactic acid and anaerobic
aerobic and anaerobic
alcoholic and lactic acid
alcoholic and aerobic
18
a group of similar cells that perform a particular function is
a division of labor
a tissue
an organ
an organ system
19
Which organism is known as the keystone species in the marine ecosystem?
Orca
Kelp
Urchins
Otter
20
Which statement is true about macro molecules?
nucleotides are made of nucleic acids
glycerol is made of fatty acids
proteins are mad of amino acids
simple sugars are made of polysaccharides
21
Which of the following is NOT a true statement about ATP
ATP provides energy for the mechanical functions of cells
Used ATP is discarded by the cells as waste
ADP is produced when ATP releases energy
ATP consists of ribose, adenine and 3 phosphate groups
22
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of course!!!
I need to study a little more, but I totally got this!!!
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23
How are photosynthesis and cellular respiration almost opposite processes?
none of the above are correct
PS releases energy, CR stores energy
PS removes O2 from atmosphere, CR puts it back
PS removes CO2 from atmosphere, CR puts it back
24
Lactic acid fermentation occurs in
mitochondria
bread dough
any environment containing oxygen
muscle cells
25
All the interconnected feeding relationships in an ecosystem make up a food
chain
network
interaction
web
26
What is the term for each step in the transfer of energy and matter in a food web?
food pyramid
energy path
trophic level
food chain
27
A hypothesis
may be supported by an experiment
doesn't have to be tested to be accepted as probably correct
Is based on personal belief
is a proven fact
28
The human body needs to stay cool. This is an example of...
stimulus response
organization
adaption
Maintaining homeostasis
29
What is the basic food chain (in order) for our marine ecosystem in class?
kelp, otter, urchins, orca
kelp, urchins, otter, orca
shark, orca, urchins, otter
orca, kelp, otter, urchins
30
Plants gather the sun's energy with light absorbing molecules called
glucose
chloroplasts
pigments
thylakoids
31
Photosynthesis is to chloroplasts as cellular respiration is to
chloroplasts
cytoplasm
nuclei
mitochondria
32
Where in the digestive system is water extracted from digested food?
large intestine
small intestine
gallbladder
liver
33
Energy is released from ATP when
adenine bonds to ribose
ATP is exposed to sunlight
A phosphate group is removed
a phosphate group is added
34
an organ system is a group of organs that
work together to perform an specific function
are made of similar cells
work together to perform all the functions in an organism
are made of similar tissues
35
A personal preference or point of view is
an inference
a hypothesis
a bias
a theory
36
What predator was introduced to the marine ecosystem?
orca
small whales
sea lion
great white share
37
list the levels of organization in a multi cellular organism from simple to complex
cell, tissue, organ system, organ
cell, tissue, organ, organ system
tissue, organ, organ system, cell
organ system, organ, tissue, cell
38
What is homeostasis in an ecosystem?
the imbalance between animals ans humans in the world
the ability of an environment to maintain balance
the tendency to change quickly
the imbalance between trophic levels
39
Each of the following is an abiotic factor in the environment except
plant life
rainfall
soil type
temperature
40
The simplest grouping of more than one kind of organism in the biosphere is
a community
a population
a species
an ecosystem
41
Since the pH is dropping in the ocean, the water is becoming more.....
no change is happening to the ocean
basic
neutral
acidic
42
During a controlled experiment a scientist isolates and tests
a conclusion
a mass of information
a control group
a single variable
43
What animals eat both producers and consumers?
chemotrophs
herbivores
omnivores
autotrophs
44
Humans are affecting Earth's homeostasis T or F
False
True
45
Unlike phototsynthesis, cellular respiration occurs in
plant cells only
all eukaryotic cells
animal cells only
prokaryotic cells only
46
Which of the following is NOT found in the overall reaction for photosynthesis?
Light
Water
Carbon Dioxide
Nitrogen
47
Which structure in the digestive system uses muscle contractions to produce a churning motion
esophagus
stomach
small intestine
rectum
48
What are the three parts of an ATP molecule
stroma, grana, and chlorophyll
adenine, ribose, and three phosphate groups
Adenine, thylakoid and a phosphate group
NADH, NADPH, FADH
49
Humans are impacting the environment by
burning fossil fuels
all of the above
Destroying habitats
polluting the earth with plastic
50
A theory
is the opening statement of an experiment
is always true
is a problem to be solved
may be revised or replaced
51
a word that means the same thing as consumer is
carbohydrate
producer
autotroph
heterotroph
52
What are the reactants in the equation of cellular respiration?
water and glucose
carbon dioxide and water
glucose and oxygen
Oxygen and lactic acid
53
What are the smallest objects that biologists study
Cells
organisms
molecules
body organs
54
Which organelle would you expect to find in plant cells but not animal cells?
smooth endoplasmic reticulum
chloroplast
ribosome
mitochondrion
55
What is a population
all of the organisms living together with nonliving factors
group of similar organisms that share the same family&space
all of the nonliving factors in a community
one individual in an ecosystem
56
What is carrying capacity?
the max population size that an ecosystem can sustain
the smallest population that can live in an area
the average population size that can live in an area
amount of species in an area at a given time w/wo resources
57
When a bond is made and water is released what is this process called?
dehydration
the water cycle
the hydrologic cycle
hydrolysis
58
Amino acid is to protein as
DNA is to RNA
fat is to lipid
sugar is to fat
simple sugar is to starch
59
Where in the digestive system does chemical digestion begin?
stomach
mouth
small intestine
esophagus
60
A granum is a
photosynthetic pigment molecule
stack of chloroplasts
membrane enclosing a thylakoid
a stack of thylakoids
61
The branch of biology dealing with interactions between organisms and their environment is
recycling
economy
ecology
modeling
