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Molecular evolution wikipedia , lookup

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Final Jeopardy
Evidence
More
Evidence
The
Process
The
Process
Modern
Examples
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Any remains or
trace of an
organism that
lived in the past
Fossil
Field of study
represented here
Anatomy
What are these
structures called?
Homologous
Structures
4 examples of
vestigial structures
Tail bone
Appendix
Muscles that move ears
Third Eyelid
Pelvic Bone in Whales and
Snakes
5 fields of study
that provide
evidence of
common ancestry
(evolution)
The study of:
• Fossils
• Biochemistry
• Cells
• Anatomy
• Development
•
Biogeography
• Artificial
Selection
Comparing DNA
and proteins is part
of this field of study
Comparative
Biochemistry
In undisturbed rock, the
oldest fossils are found here
The bottom layer
(C)
Human intervention in animal
or plant reproduction (breeding)
to ensure that certain desirable
traits are represented in
successive generations.
Artificial Selection
2 differences
between a theory
and a hypothesis
Theory
• has been supported by massive
amounts of evidence
• coordinates information and ideas
from many fields
Observations made
by Darwin which
led him to his
theory
Finches on different
islands have different
beaks adapted for the
island’s food supply, but
all resemble the mainland
finch
An inherited
characteristic that helps
an organism survive and
reproduce in its
environment
Adaptation
The only way a
mutation is passed
from an organism
to its offspring is if
it occurs here
sex cell
Rates of evolution shown here
A
B
A = gradualism
B = Punctuated
Equilibrium
This is the term for
the thing that
removes less
adapted individuals
from a population
The selecting agent
The process by which a species
evolves into a number of
different species, each
occupying a new environment
Adaptive Radiation
Most recent common ancestor of B and D
A
B
C
D
E
V
X
Y
W
time
Z
_________________________
Change
W
Misconception suggested
here
Misconception:
humans evolved from
chimpanzees
NOT!
Process shown here
Original
population
population
split it two
Reproductive
isolation
Speciation
Provide an explanation for the change
shown below
A decrease in the
advantage of
having white fur
Environment of
rabbits darker
The 4 main parts of
Darwin’s Theory
(in correct order)
Overproduction
Struggle for existence
Variation
Natural Selection
Variation is caused
by this
Mutations
This experiment provides evidence
for this process
Speciation
More and more
bacteria are
becoming resistant
to these
Antibiotics
What process?
Natural Selection
or evolution of
resistance
Explain the story of industrial
melanism
Industrial
Melanism
Bleh bla bla
Bla bleh bla bla
bleh bla
Make your wager
How insecticide
resistance evolves
in an insect species
Final Question