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Lamarck thought that…
a) A person who lifts weights and gets strong may pass this acquired trait to his offspring.
b) A person who lifts weights and gets strong may NOT pass along this trait.
c) A person who lifts weights and gets strong had no genetic reason for getting strong.
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There are 6 main points to Darwin's theory. Match the term with the definition…
Competition
one trait is more favorable, so is favored
Overproduction
these come about from mutations and may or may not be helpful
Variation
over time, one species may become several
Adaptations
there is naturally variety among individuals in a population
Selection
all species tend to produce more offspring than an area can support
Speciation
only the species that have an advantage will thrive
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The idea that evolution happens in quick (geologically speaking) bursts is called….
a) spurtism
b) burstism
c) puctuated equilibrium
d) natural selection
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There are four sources of genetic change. Match them.
Mutations
new genes are brought in by visiting (new) organisms
Recombination
when individuals get a gene combination that gives some characteristic
Migration
when DNA is shuffled about randomly to make offspring
Drift
an accident in DNA
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Which of the following is NOT part of the Hardy-Weinberg Law?
a) Population must be large
b) Mutations must occur
c) Reproduction must be random
d) DNA must change quickly
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The viceroy looks like the Monarch, which is protected by poison. This is….
a) warning coloration
b) camoflage
c) mimicry
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Sometimes a big mutation proves to be very valuable, and the population starts to show this trait.
a) directional selection
b) stabilizing selection
c) disruptive selection
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This type of selection would lead a population to break into two or more groups.
a) directional selection
b) stabilizing selection
d) disruptive selection
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When a species has members that come to develop traits that fill a new niche, it's called…
a) geographic isolation
b) reproductive isolation
c) adaptive radiation
d)polyploidy
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A type of salamander loses its skin coloring and eyesight over time. This is an example of…
a) geographic isolation
b) reproductive isolation
c) adaptive radiation
d)polyploidy
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Which of these is an example of convergent evolution?
a)bug eyes and moth antenna
b)human arms and chimp arms
c)bird wings and bug wings
d)none of these
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The acacia tree gives food to ants and has places for them to live inside. The ants protect the acacia.
This is an example of…
a) convergent evolution
b) coevolution
c) natural evolution
d) beneficial evolution
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One creature that we have observed evolution taking place is the…
a)pine tree
b)moth
c)human
d)elephant
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Some bacteria types have become resistant to antibiotics. This is because of…
a) Mutations
b) Recombination
c) Migration
d) Drift
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