NAME______________________________
Preparation
Watch Evolution Crash Course Video
Write 3-5 paragraph summery or create a detailed concept map of the concepts covered in the video.
Review
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AP BIOLOGY EXAM REVIEW – Evolution
|PART 1 – Diversity & Unity of Life | |
|What do all organisms share? (structures, process, etc) | |
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|What do all eukaryotic organisms share? | |
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|Timeline of Big Events in the Evolution of Life on earth | |
4 bya 3 bya 2 bya 1 bya Present
-|-------|-------|-------|-------|-------|-------|-------|-------|-------|
|PART 2 – Natural Selection | |
|What are components of Darwin’s natural selection? |[pic] |
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|Why is diversity better? How is it achieved? | |
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|How does the environment play a role in selection? |[pic] |
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|Why can’t you personally adapt? …but populations can? |[pic] |
| |[pic] |
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|Do random events matter? If so, how? |[pic] |
| |[pic] |
|Does selection act on genotypes or phenotypes? |[pic] |
|Why? | |
|Does evolution (change over time) act on genes or | |
|traits? Why? | |
|Examples of phenotypes that increase fitness ( |[pic] |
| |[pic] |
|Examples of phenotypes that decrease fitness ( | |
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|Examples of human impact on gene pools ( | |
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| |[pic] |
|PART 3 – Evidence Supporting Evolution | |
|Structural Evidence |[pic] |
|Homologies | |
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|Vestigial structures | |
|Biochemical/molecular evidence | |
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|Fossil evidence | |
|Isotope decay | |
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|Cladistics uses evidence to determine ancestry | |
|[pic] | |
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|PART 4 – Speciation | |
|How did we get all of these species? | |
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|Genetic Drift | |
|Bottleneck Effect | |
|Gene Flow | |
|Geographic Isolation - | |
|[pic] | |
|Reproductive Isolation – | |
|Pre-zygotic Barriers | |
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|Post-zygotic Barriers | |
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|PART 5 – Origin of Life | |
|Miller-Urey experiment | |
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|Possible Scenario: | |
AP BIOLOGY VOCABULARY CHECK - Evolution
|Natural selection |[pic] |[pic] |
|Competition |[pic] | |
|Fitness | |[pic] |
|Gene pool |[pic] | |
|Variation | |[pic] |
|Adaptation |[pic] |[pic] |
|Genetic drift |[pic] |[pic] |
|Gene flow | |[pic] |
|Bottleneck effect |[pic] | |
|Founder’s effect | | |
|Hardy-Weinberg equilibrium | | |
|Fossil | | |
|Isotope dating | | |
|Homologous structures | | |
|Vestigial structures | | |
|Analogous structures | | |
|Cladogram | | |
|Phylogeny | | |
|Speciation | | |
|Reproductive isolation | | |
|Geographic isolation | | |
|Allopatric speciation | | |
|Pre-zygotic barriers | | |
|Post-zygotic barriers | | |
|Convergent evolution | | |
|Divergent evolution | | |
PART 6 – Population Genetics (Hardy-Weinberg)
Assumptions: NO migration, NO mutation, NO selection; large pop size; random mating
The point of it all ( if there is a gene frequency change over time, then evolution (microevolution) is happening; will justify by calculating (or just interpreting) data
The Equations: p + q = 1 p2 + 2pq + q2 = 1
~ determine whether they are talking about an ALLELE/GENE or a TRAIT/ORGANISM
~ make your key: fill in as much as you can from the given data
~ search for q or q2
~ double check what they are actually asking you for
Samples:
1) You have sampled a population in which you know that the percentage of the homozygous recessive genotype is 36%. (A) What is the frequency of the dominant allele? (B) If this population has 1000 individuals, how many are heterozygotes?
2) The following data was collected from a population of plants over a 50 year period. The numbers indicate the gene frequency for each allele.
|Gene |1974 |1984 |1994 |2004 |2014 |
|B |0.43 |0.42 |0.39 |0.38 |0.36 |
|b |0.57 |0.58 |0.61 |0.62 |0.64 |
(A) Is this population undergoing evolution? Justify your response.
(B) If the population in 2014 had 20,000 individuals, how many show the dominant phenotype?
Practice: Complete the Connections in Ancestral History Learnerator & the Lab 3 Learnerator
Complete the following Practice Problems
Evolution Practice Problems
2008 Q8
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2011 Form B Q4
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