Environmental Science, 11th Edition (Cunningham)

Chapter 3: Matter, Energy, and Life

Practice Quiz

1
The smallest particle exhibiting the characteristics of an element is a/an
A)atom.
B)molecule.
C)isotope.
D)ion.
2
Atoms of the same element but with different atomic mass are called
A)radioactive.
B)molecules.
C)isotopes.
D)ions.
3
Organic compounds are those substances
A)found only in living organisms.
B)containing carbon.
C)composed of atoms of a single element.
D)exhibiting radioactive decay.
4
Characteristics of water with significant implications for life include
A)the cohesive tendencies of its molecules.
B)the large amount of heat needed to convert it from liquid to gas.
C)the large amount of heat required to increase its temperature.
D)all of the above.
5
The conservation of matter principle is that matter
A)is composed of atoms and molecules.
B)cannot be created, destroyed, nor changed in form.
C)must be used carefully or earth will eventually run out.
D)can neither be created nor destroyed.
6
The second law of thermodynamics states that
A)whenever energy is used, some becomes converted to a form difficult to use to do work.
B)energy cannot be shifted from one form to another.
C)life forms cannot survive without energy.
D)energy exists in both potential and kinetic form.
7
Cellular respiration is the process by which organisms
A)release energy from sugar for metabolic use.
B)create complex organic molecules from simple molecules.
C)convert heat to chemical bond energy for metabolic work.
D)do more than one of the above.
8
A group of individuals of a particular type that are able to successfully interbreed is called a/an
A)community.
B)ecosystem.
C)species.
D)population.
9
The productivity of an ecosystem refers to the
A)amount of food consumed by the organisms per unit space.
B)average number of offspring produced per adult female per unit time.
C)amount of biological material produced during a certain period of time.
D)reproductive output.
10
Which have the most diverse diet?
A)photosynthetic plants
B)herbivores
C)omnivores
D)carnivores
11
Which two kinds of organisms introduce energy to an ecosystem?
A)plants and primary consumers
B)plants and animals at the very top of the food chain
C)animals in trophic levels III and IV
D)plants
12
Photosynthesis and respiration are most significant in the ______ cycle.
A)nitrogen
B)carbon
C)sulfur
D)phosphorus
13
The _________ cycle is most dependent on a variety of types of bacteria that shift the element among several different chemical forms.
A)nitrogen
B)carbon
C)sulfur
D)phosphorus
14
The final breakdown and recycling of organic material is accomplished by
A)top level consumers.
B)decomposers.
C)scavengers.
D)detritivores.
15
A carbon sink is a place where carbon
A)atoms wash up for supper.
B)is stored after removal from the atmosphere.
C)is released after cellular respiration.
D)is the carbon released by combustion.
16
The annual salmon spawn in the Pacific Northwest
A)provides a substantial portion of the protein in grizzly bear's diets
B)has been increasing due to eutrophication
C)provides a substantial amount of Nitrogen to fertilize to the forests surrounding the streams
D)both 1 and 3 are correct
17
Substances that readily give up hydrogen atoms are called bases
A)True
B)False
18
DNA Molecules
A)Are unique to every individual
B)Form a double helix
C)Are comprised of 4 kinds of nucleotides
D)All of the above
19
A population
A)Consists of all the plants and animals in a given region
B)Consists of all individuals of a given species living in the same area
C)Consists of all species on earth
D)Consists of a given species and all of the other species it consumes
20
Vegetation and forests are important carbon sinks
A)True
B)False
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.