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Biology 2 Midterm Review
Miller and Levine
Which scientist observed variations in the characteristics of animals and plants on the different islands of the Galapagos?
• James Hutton• Charles Darwin• Charles Lyell• Thomas Malthus
Charles Darwin
In addition to observing living organisms, Darwin studied the preserved remains of
ancient organisms called _______.
• homologous structures• adaptations• fossils• vestigial organs
fossils
Which of the following ideas proposed by Lamarck was later found to be
incorrect?• acquired characteristics can be inherited
• all species were descended from other species• living things change over time• organisms are adapted to their
environment
Differences among individuals of a species are referred to as __________.
• natural variation• natural selection• fitness• adaptation
natural variation
Which would an animal breeder use to produce cows that give more milk?
• overproduction• genetic isolation• acquired characteristics• artificial selection
artificial selection
An inherited characteristic that increases an organism’s ability to survive and reproduce in
its specific environment is called a(an) _______.
• vestigial organ• speciation• adaptation• radiation
adaptation
The concept that each living species has descended, with changes, from other
species over time is called ____.
• descent with modifications• artificial selection• theory of acquired characteristics• natural selection
descent with modifications
Fitness is a result of ______.
• adaptations• common descent• homologies• variation
adaptations
Which of the following is an important concept in Darwin’s theory by natural selection?
• struggle for existence• survival of the fittest• descent with modification• all of the above
all of the above
A farmer’s use of the best livestock for breeding is an example of _____
• natural selection• artificial selection• common descent• fitness
artificial selection
Please complete 11 -18 of the review.
The combined genetic information of all members of a particular population forms a
_______
• gene pool• phenotype• niche• population
gene pool
The success of an organism in surviving and reproducing is a measure of its _____.
• gene pool• fitness• polygenic• speciation
fitness
Traits that are controlled by more than one gene, such as human height, are known as
______
• single-gene traits• recessive traits• polygenic traits• dominant traits
polygenic traits
The type of selection in which individuals of average size have greater fitness than small or large individuals is called ______
• disruptive selection• stabilizing selection• directional selection• genetic drift
stabilizing selection
The type of selection in which individuals at one end of a curve have the highest fitness is called
___
• stabilizing selection• disruptive selection• directional selection• the founder effect
directional selection
A change in allele frequency that results from the migration of a small subgroup
of a population is called ___• natural selection• the Hardy-Weinberg principle• the founder effect• genetic equilibrium
the founder effect
A group of individuals that interbreed and have fertile offspring make up a __
• gene pool• species• population• genetic drift
species
The evolution of Darwin’s finches is an example of _________.
• equilibrium• stabilizing selection• speciation• artificial selection
speciation
In a certain population, disruptive selection is occurring. In this population,
which is most likely to survive?
• organisms with average traits• organisms with extreme traits• organisms that are small• none of the above
organisms with extreme traits
What type of selection does this graph show?
Woolybeasts with long snouts tend to survive better on an island that has burrowing termites. Over time, the woolybeast population consists of
individuals with extremely long snouts. This is an example of:
• disruptive selection• stabilizing selection• random selection• directional selection
Speciation occurs when ______.
• population becomes geographically isolated• a population becomes temporally
isolated• a population becomes behaviorally
isolated• all of the above
When two species reproduce at different times, it is called ______
• speciation• geographic isolation• temporal isolation• genetic drift
temporal isolation
A situation in which a population’s allele frequencies remain relatively constant is called
____
• polygenic traits• a gene pool• fitness• genetic equilibrium
genetic equilibrium
Does this graph show artificial, disruptive, directional or stabilizing selection?
Which graph shows single gene trait and polygenic trait?
Sedimentary rocks form when layers of small particles are compressed __.
• in the atmosphere• in mountains• in a snowy field• under water
under water
Radioactive dating of rock samples ____
• is a method of absolute dating• is a method of relative dating• forms a geologic column• forms a geologic time scale
is a method of absolute dating
Half life is the length of time required for half the atoms in a radioactive sample to
__.
• double• expand• decay• be created
decay
Earth’s first atmosphere contained little or no ________.
• hydrogen cyanide• nitrogen• hydrogen sulfide• oxygen
oxygen
In Miller and Urey’s experiments with the origin of life, electric sparks were passed
through a mixture of gases to ____
• simulate temperature• sterilize the gases• simulate sunlight• simulate lightning
simulate lightning
Which type of event occurred around 65 million years ago?
• coevolution• punctuated equilibrium• mass extinction• convergent evolution
mass extinction
The process that produces a similar appearance among unrelated groups of
organisms is ______• coevolution• punctuated equilibrium• mass extinction• convergent evolution
coevolution
The science that specializes in the classification of organisms is ___
• anatomy• botany• taxonomy• paleontology
taxonomy
From its name, you know that Panthera tigris must be ____.
• a plant• an animal• in the genus tigris• in the genus Panthera
in the genus Panthera
In classifying organisms, orders are grouped together into __.
• classes• phyla• families• genus
classes
The largest and most inclusive of Linnaeus’s taxonomic categories is the _____.
• phylum• kingdom• order• species
kingdom
Which of the following shows the evolutionary relationships among a group of organisms?
• taxon• domain• binomial nomenclature• cladogram
cladogram
The three domains are _____.
• Animalia,Plantae, Archaebacteria• Plantae, Fungi, Eubacteria• Archae, Bacteria, Eukarya• Protista, Bacteria, Animalia
Archae, Bacteria, Eukarya
A kingdom that includes only heterotrophs is ______
• Protista• Fungi• Plantae• Eubacteria
Fungi
All members of the domain Bacteria __________
• have eukaryotic cells• are multicellular• have cell walls containing lipids• are prokaryotic
are prokaryotic
Mushrooms, yeast and molds have been placed in their own kingdom, called ____.
• Fungi• Protista• Eubacteria• Plantae
Fungi
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