Final

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(No Transcript)
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Evidence for Evolution
Mechanisms of evolution
Selection and speciation
Darwin vs. Lamarck
Darwin
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Final Jeopardy
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C1 100
We gather evidence of organisms that have lived
in the past from this.
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C1? 100
What is the fossil record or fossils?
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C1 200
The leg bones of a snake and the human appendix
are examples of these reduced organs.
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C1 200
What are vestigial structures?
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C1 300
The arm bones of a human and the bones in a bats
wings show evidence for evolution because they
are ________.
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C1 300
What are homologous structures?
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C1 400
A dog and wolf have 0.2 difference in their DNA,
a wolf and a coyote have 4 difference in their
DNA. Which pair is more closely related?
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C1 400
What is the dog and wolf?
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C1 final
The final Jeopardy answer is
These are the 5 points of natural selection
Timer
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C1 final

1. Individuals vary in heritable characteristics2)
   More individuals are produced than will
   survive3) There is competition for resources4)
   Only the fittest survive5) Differential
   reproductive success leads to gradual change

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C2 100
Darwins most famous voyages took him to this
group of islands.
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C2 100
What are the Galapagos Islands?
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C2 200
Darwin took ideas from geology about the age of
the earth from these two men.
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C2 200
Who are Hutton and Lyell?
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C2 300
The dorsal fins of a dolphin and shark are an
example of this.
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C2 300
What is convergent evolution?
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C2 400
These are two major types of animals in the
Galapagos which Darwin based his theory of
natural selection on.
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C2 400
What are tortoises and finches?
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C2 500
This is one of the main reasons that prevented
Darwin from publishing his work immediately after
returning from his voyage.
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C2 500
He was afraid of being condemned by the church.
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C3 100
A phrase used to mean reproductive success when
an organism is able to survive and reproduce in
its environment.
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C3 100
What is Survival of the Fittest?
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C3 200
This is a possible source for genetic variations.
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C3 200
What are mutations?
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C3 300
This term is used to describe all the combined
genetic information in a population.
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C3 300
What is a gene pool?
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C3 400
Migration in or out of a particular gene pool is
known as this.
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C3 400
What is gene flow?
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C3 500
This is a random change in allele frequencies
that occurs in small populations.
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C3 500
What is genetic drift?
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C4 100
This is the term used to describe when a new
species is formed.
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C4 100
What is speciation?
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C4 200
________ selection favors one extreme form of a
trait in a population.
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C4 200
What is directional?
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C4 300
In _______ selection, individuals with both
extreme forms of a trait have greater fitness.
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C4 300
What is disruptive?
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C4 400
This type of isolation prevents two different
populations from mating with one another because
they are separated by a large river.
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C4 400
What is geographical isolation?
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C4 500
_____ selection occurs when individuals with the
average trait has higher fitness than the two
extremes.
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C4 500
What is stabilizing?
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C5 100
Lamarck proposed that evolution occurred when
organisms passed on these to their offspring.
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C5 100
What are acquired characteristics?
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C5 200
One day a light colored, spotted mouse appeared
in a population of brown mice in a desert. This
mouse is better camouflaged in the environment.
This mouse appeared because ____
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C5 200
What is a mutation?
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C5 300
Lamarck or Darwin? Giraffes stretched their neck
to get leaves on higher branches. Their offspring
had longer necks.
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C5 300
Who is Lamarck?
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C5 400
Lamarck or Darwin? A variety of roly-polys lived
in a compost pile. Birds found and ate the purple
ones first but left the black ones. The black
ones survived and reproduced more.
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C5 400
Who is Darwin?
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C5 500
Lamarck or Darwin? During the Industrial
Revolution, as the trees became darker due to
pollution, the moths that lived on the trees also
became darker.
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C5 500
Who is Lamarck? (individual moths cant just
change color to hide. Entire population may
shift if one type is less fit.)
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