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Biology Semester 1
Biology Semester 1
100 terms
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1
The ____________ is the area in which a population lives.
geographic range
growth rate
population distribution
population density
2
Organisms that capture energy from sunlight or chemicals & use that energy to produce food.
consumers
autotrophs
none of the above
heterotrophs
3
The diagram shows:
the carbon cycle
cellular respiration
photosynthesis
enzyme activity
4
Consists of adenine, the sugar ribose, and three phosphate groups.
DNA
ATP
glucose
carbohydrate
5
The relatively constant internal physical and chemical state of a living cell.
organ system
growth & development
homeostasis
diffusion
6
Assemblage of individuals of the same species living in the same area.
biological community
individual organism
population
ecosystem
7
vacuoles
membrane-enclosed saclike structures store H2O, salts, & organic molecules
network of protein filaments; helps cell maintain its shape and movement
organelles made from tubulins; help organize cell division in animal cells
filled with enzymes that break down big molecules & old organelles
8
The diagram illustrates a(n)
food chain
food ring
food fest
food web
9
chloroplast
convert chemical energy stored in food into usable energy for the cell
capture sunlight energy, convert it to chemical energy
strong but flexible barrier between the cell and its surroundings
support, shape, protect the cell; lie outside cell membrane
10
Eukaryotic cells
contain a nucleus and many specialized structures
structure that have specialized functions in eukaryotic cells
fluid portion of a cell
contain DNA and controls the activity of a cell
11
amino acids are the monomers of
carbohydrates
nucleic acids
lipids
proteins
12
Physical and biological conditions in which a species lives & the way the species obtains what it needs to survive.
habitat
competitive exclusion principle
niche
tolerance
13
cell wall
support, shape, protect the cell; lie outside cell membrane
strong but flexible barrier between the cell and its surroundings
convert chemical energy stored in food into usable energy for the cell
capture sunlight energy, convert it to chemical energy
14
The main energy source for living things.
lipids
nucleic acids
carbohydrates
proteins
15
Chloroplasts are
never
found in
animal
cells.
False
True
16
The industrial revolution caused a sharp
decrease
in human population growth.
False
True
17
Which is the best definition of ecology?
study interactions among atoms & between atoms & their chemical bonds
study interactions among organisms & between organisms & their environment
study interactions among people & between people & medical technology
study interactions among bacteria & diseases
18
Changes in
zooplankton
populations, small marine animals that eat algae,
don't
affect all animals in a marine food web.
False
True
19
An organism that feeds by chemically breaking down other organisms.
herbivore
scavenger
carnivore
decomposer
20
He used the term "cell" to refer to the tiny empty chambers he saw when he observed magnified cork.
Shinya Yamanaka
Matthias Schleiden
Anton van Leeuwenhoek
Robert Hooke
21
A range of conditions under which an organism can grow and reproduce.
habitat
competitive exclusion principle
tolerance
niche
22
Nucleus
structure that have specialized functions in eukaryotic cells
contain a nucleus and many specialized structures
fluid portion of a cell
contain DNA and controls the activity of a cell
23
Average condition of temperature & precipitation in a region over long periods.
energy flow
greenhouse effect
weather
climate
24
The nucleus of an atom contains electrons and protons.
True
False
25
When one or more electrons are transferred from one atom to another.
covalent bond
van der Waal's force
ionic bond
hydrogen bond
26
nucleotides are the monomers of
carbohydrates
lipids
nucleic acids
proteins
27
Which of the following must be true for diffusion to occur?
moelcules or particles must have different sizes
there must be areas of different concentrations
energy must be avilable
special protein channels must always be avilable
28
Electrons have a
neutral charge
positive charge
none of the above
negative charge
29
phospholipid bilayer
convert chemical energy stored in food into usable energy for the cell
capture sunlight energy, convert it to chemical energy
strong but flexible barrier between the cell and its surroundings
support, shape, protect the cell; lie outside cell membrane
30
A series of steps in which organisms transfer energy by eating and being eaten.
food chain
photosynthesis
food web
chemosynthesis
31
Process by which chemical energy is used to produce carbohydrates.
chemosynthesis
photosynthesis
cellular respiration
carbohydrate cycle
32
Well-tested explanation of observations about nature that help scientists make predictions about nature
observation
conclusion
theory
hypothesis
33
Some bacteria convert nitrogen gas into ammonia, animals eat the ammonia, then make it available to plants.
True
False
34
All cells are surrounded by a cell wall.
False
True
35
Group of terrestrial regional climate communities characterized by soil type, climate, & plant & animal life
rainfall
ecosystem
climate
biome
36
The variable you change in an experiment:
none of the above
independent variable
dependent variable
control variable
37
Kelp forests and coral reefs are found in
benthic zones
open ocean zones
intertidal zones
coastal zones
38
The condition of Earth’s atmosphere at a particular time and place.
energy flow
primary succession
climate
weather
39
Which is NOT a subatomic particle?
neutron
proton
electron
crouton
40
Biome with cold, dark winters and short, soggy summers; permafrost
Desert
Taiga
Tundra
Temperate Forest
41
Which are goals of science?
both a and b are goals
to make useful predictions in nature
to explain the natural world
none of the above
42
Cytoplasm
fluid portion of a cell
contain DNA and controls the activity of a cell
contain a nucleus and many specialized structures
structure that have specialized functions in eukaryotic cells
43
lysosome
organelles made from tubulins; help organize cell division in animal cells
membrane-enclosed saclike structures store H2O, salts, & organic molecules
network of protein filaments; helps cell maintain its shape and movement
filled with enzymes that break down big molecules & old organelles
44
A barnacle living on a whale’s skin
commensalism
predation
mutualism
parasitism
45
Unicellular prokaryotes, called bacteria , are adapted to living in a remarkable number of different places.
False
True
46
Which is NOT a characteristic of life?
organisms have genetic material
organisms respond to their environment
organisms are able move
organisms are made of cells
47
organ
group of similar cells that performs a particular function.
group of tissues working together to perform an essential task.
group of organs that work together to perform a specific function.
48
Biology is the study of
life
physics
machines
economy
49
centrioles
membrane-enclosed saclike structures store H2O, salts, & organic molecules
organelles made from tubulins; help organize cell division in animal cells
filled with enzymes that break down big molecules & old organelles
network of protein filaments; helps cell maintain its shape and movement
50
Competition
is an example of a limiting factor.
False
True
51
Any living part of an environment.
biotic factors
abiotic factors
robotic factors
none of the above
52
ribosomes
stack of flattened membranes; modifies, sorts, & packages proteins, etc
inner membrane system where lipid parts of cell membrane are made
produce proteins by following coded instructions from DNA
53
store and transmit hereditary (genetic) information
proteins
lipids
carbohydrates
nucleic acids
54
What effect do carbon dioxide and methane have on Earth’s temperature?
Trap heat in the atmosphere
Release heat from the atmosphere
Block heat from entering the ocean
Block heat from reaching earth's surface
55
golgi apparatus
stack of flattened membranes; modifies, sorts, & packages proteins, etc
inner membrane system where lipid parts of cell membrane are made
produce proteins by following coded instructions from DNA
56
When electrons are shared between atoms.
ionic bond
hydrogen bond
van der Waal's force
covalent bond
57
Estuaries form where
a lake evaporates
a river meets the sea
a wetland becomes filled in
a river becomes dammed
58
a protein that speeds the rate of a chemical reaction
sublime
organozyme
enzyme
carbine
59
How the individuals are spaced in their range is a population’s ____________________.
denstiy
distribution
growth rate
range
60
Atoms of the same element that differ in the number of neutrons they contain.
molecules
compounds
protons
isotopes
61
The diagram below illustrates the
water cycle
phosphorous cycle
carbon cycle
nirogen cycle
62
The place where a species lives.
habitat
competitive exclusion principle
niche
tolerance
63
cytoskeleton
organelles made from tubulins; help organize cell division in animal cells
network of protein filaments; helps cell maintain its shape and movement
membrane-enclosed saclike structures store H2O, salts, & organic molecules
filled with enzymes that break down big molecules & old organelles
64
Cellular respiration occurs in
cytoplasm
nucleus
chloroplast
mitochondria
65
The sum of all the genetic diversity among all the organisms in the biosphere.
pollutant
soil erosion
biological magnification
biodiversity
66
A harmful material that can enter the biosphere.
carbon cycle
pollutant
soil erosion
biological magnification
67
Which is the correct order of science methodology?
observe, ask/infer, hypothesis, controlled experiment, get data, conclude
hypothesis, conclude, get data, ask/infer, controlled experiment, observe
conclude, get data, controlled experiment, hypothesis, ask/infer, observe
observe, controlled experiment, ask/infer, get data, conclude, hypothesis
68
All the organisms living in a particular place, together with their physical environment.
population
biosphere
biological community
ecosystem
69
No two species can occupy exactly the same niche in exactly the same habitat at the same time.
niche
habitat
tolerance
competitive exclusion principle
70
Energy is the ability to do work.
False
True
71
It causes water molecules to be drawn together, producing surface tension.
adhesion
none of the above
cohesion
lesion
72
Unequal distribution of the sun’s heat on Earth’s surface results in 3 main climate zones: polar, temperate, tropical
False
True
73
Limiting factors determine the
immigration
capacity
of a population.
False
True
74
store energy and form parts of biological membranes and waterproof coverings
lipids
carbohydrates
proteins
nucleic acids
75
To respond to chemical signals, a cell must have a(n) __________ to which the signaling molecule can bind.
receptor
selectively permeable membrane
protein channel
nucleus
76
The first species to live in an area of primary succession.
primary succession
pioneer species
climax community
keystone species
77
the process in which water evaporates from the leaves of plants.
evaporation
condensation
transpiration
precipitation
78
A pond with all of the species living together in this one location would be a good example of a(n)
individual organism
population
biological community
ecosystem
79
A lion eating a zebra is an example of
habitat destruction
keystone species
predation
herbivory
80
The trapping of heat by gases in the atmosphere.
climate
greenhouse effect
weather
energy flow
81
Population density is the ___________ of individuals per unit area.
area
growth rate
number
species
82
Which is
not
part of the cell theory?
All living things are made of cells
All cells enclose their DNA in a nucleus
New cells are produced from existing cells.
Cells are the basic units of structure and function in living things.
83
Intermolecular forces of attraction between polar molecules.
none of the above
covalent bonds
ionic bonds
van der Waal's force
84
Invention of the _________ made the discovery of cells possible.
microscope
cell
nucleus
cell theory
85
A hydrogen bond is stronger than a covalent bond.
True
False
86
An aphid providing food to an ant in exchange for protection.
mutualism
parasitism
predation
commensalism
87
Provides for human needs while preserving the ecosystems that provide renewable resources.
sustainable development
monoculture
nonrenewable resource
pollutant
88
A keystone species is one that
causes the amount of diversity in an ecosystem to decrease
eats a mixture of plants & animals
is introduced into a community after a major disturbance
helps to stabilize populations of other species in the community
89
Earth’s curvature causes different __________ to receive less or more intense solar energy.
longitude
latitude
climates
poles
90
An organized way of gathering and analyzing evidence about the natural world.
astrology
science
mathematics
biology
91
Organelles
contain a nucleus and many specialized structures
contain DNA and controls the activity of a cell
structure that have specialized functions in eukaryotic cells
fluid portion of a cell
92
ATP releases energy when it ______________ bonds between its phosphate groups.
breaks
forms
93
Climate, precipitation, landmasses, wind currents are all
biotic factors
abiotic factors
none of the above
robotic factors
94
Freshwater wetlands purify water by ____________ pollutants.
photosynthesizing
synthesizing
filtering
preying on
95
endoplasmic reticulum
inner membrane system where lipid parts of cell membrane are made
stack of flattened membranes; modifies, sorts, & packages proteins, etc
produce proteins by following coded instructions from DNA
96
Photosynthesis, cellular respiration and human activities such as burning are part of the
phosphorous cycle
carbon cycle
nitrogen cycle
water cycle
97
control rate of reactions, regulate cell processes, form cell structures, carry substances in & out of cells
lipids
carbohydrates
proteins
nucleic acids
98
mitochondria
capture sunlight energy, convert it to chemical energy
support, shape, protect the cell; lie outside cell membrane
convert chemical energy stored in food into usable energy for the cell
strong but flexible barrier between the cell and its surroundings
99
Deep ocean currents are caused by the
sinking
of
warm
water near the poles.
False
True
100
Occurs when population growth slows and then stops after a period of exponential growth has occurred.
limiting factor
growth rate
logistic growth
exponential growth