day12 Patterns for evolution - Weebly
Transcript of day12 Patterns for evolution - Weebly
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PATTERNS FOR EVOLUTION1/29/19
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DO NOW▸ What is speciation?
▸ How can reproductive isolation occur?
▸ How does reproductive isolation lead to speciation?
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AGENDA
▸ Patterns for evolution
▸ Summary
▸ Practice
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PATTERNS FOR MACROEVOLUTION
CORNELL NOTES TITLE (PAGE 87)
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PATTERNS FOR MACROEVOLUTION▸ Divergent evolution
▸ Convergent evolution
▸ Coevolution
▸ Punctuated equilibrium
▸ Adaptive radiation
▸Mass Extinction
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DIVERGENT EVOLUTION▸ Formation of new and different species from a
common ancestor
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CONVERGENT EVOLUTION▸ Evolution of similar features from DIFFERENT
ancestors
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COEVOLUTION▸ Two (or more) species affect each other’s
evolution
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PUNCTUATED EQUILIBRIUM▸ Rare and rapid speciation, followed by little to
no evolutionary change, and so forth…
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ADAPTIVE RADIATION▸ Common ancestor evolves into different
species, each adapted to a different environment
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MASS EXTINCTION▸ Extinction of a large number of species in a
short amount of time
▸ Due to catastrophic global event or rapid environmental change
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Checkforunderstanding
1. Divergentevolution2. Convergentevolution3. Coevolution4. Punctuatedequilibrium5. Adaptiveradiation6. Massextinction
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Checkforunderstanding
1. Divergentevolution2. Convergentevolution3. Coevolution4. Punctuatedequilibrium5. Adaptiveradiation6. Massextinction
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Checkforunderstanding
1. Divergentevolution2. Convergentevolution3. Coevolution4. Punctuatedequilibrium5. Adaptiveradiation6. Massextinction
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Checkforunderstanding
1. Divergentevolution2. Convergentevolution3. Coevolution4. Punctuatedequilibrium5. Adaptiveradiation6. Massextinction
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Checkforunderstanding
1. Divergentevolution2. Convergentevolution3. Coevolution4. Punctuatedequilibrium5. Adaptiveradiation6. Massextinction
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Checkforunderstanding
1. Divergentevolution2. Convergentevolution3. Coevolution4. Punctuatedequilibrium5. Adaptiveradiation6. Massextinction
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Checkforunderstanding
1. Divergentevolution2. Convergentevolution3. Coevolution4. Punctuatedequilibrium5. Adaptiveradiation6. Massextinction
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WORKSHEETS15 MINS
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PRACTICE▸ Finish both worksheets and the summary!
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ILLUSTRATIVE SUMMARYPAGE 86 (UNDER DO NOW)
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ILLUSTRATIVE SUMMARY
‣ ALL TERMS must be included
‣ If you do a flow chart, you must explain the connections
‣ Use at least 4 colors
‣ Label as necessary
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HOMEWORKHW FOLDER due this Friday