VocabVocab DarwinDarwinNatural Natural SelectionSelection
Evidence Evidence of of
EvolutionEvolutionMisc.Misc.
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What is a trait that allows the What is a trait that allows the species to survive and species to survive and
reproduce?reproduce?
Vocab for $300Vocab for $300
Basic rank of classification. Group of Basic rank of classification. Group of organisms that share similar organisms that share similar
characteristics and reproduce with each characteristics and reproduce with each other. other.
What is the process by which What is the process by which inheritable traits that make it inheritable traits that make it more likely for an organism to more likely for an organism to
survive and successfully reproduce survive and successfully reproduce become more common in a become more common in a population over successive population over successive
generations. generations.
Darwin for $100Darwin for $100
Name the scientists Name the scientists who Darwin used to who Darwin used to
come up with his come up with his theory.theory.
Traveled on the Beagle to Traveled on the Beagle to South America. Made South America. Made
observations on what he saw. observations on what he saw. Compared to past scientists Compared to past scientists and what he new from back and what he new from back
home.home.
What are descent with What are descent with modification and natural modification and natural
selection?selection?
What is the process of species What is the process of species moving to different habitats moving to different habitats
and surviving to reproduce and and surviving to reproduce and passing on the species traits?passing on the species traits?
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What does descent with modification lead What does descent with modification lead to?to?
Natural Selection for $100Natural Selection for $100
Explain natural Explain natural selection.selection.
What is the process by which What is the process by which inheritable traits that make it inheritable traits that make it more likely for an organism to more likely for an organism to
survive and successfully reproduce survive and successfully reproduce become more common in a become more common in a population over successive population over successive
generations.?generations.?
Natural Selection for $200Natural Selection for $200
Explain how natural Explain how natural selection works on selection works on
individuals but overall individuals but overall populations evolve.populations evolve.
A specific organisms variation gets A specific organisms variation gets selected for. When this occurs the selected for. When this occurs the
organism is able to survive and organism is able to survive and reproduce which then passes on reproduce which then passes on the variation. As time goes on the variation. As time goes on
more and more offspring will have more and more offspring will have the variation so the population the variation so the population
evolves to that variation?evolves to that variation?
Natural Selection for $300Natural Selection for $300
How do variation and How do variation and adaptation relate?adaptation relate?
Variation is what causes Variation is what causes adaptations to occur. If a variation adaptations to occur. If a variation
makes an organism successful, makes an organism successful, then it is considered an adaptation. then it is considered an adaptation.
If the variation doesn’t then the If the variation doesn’t then the species dies off.species dies off.
Natural Selection for $400Natural Selection for $400
VariationVariation
Different reproductive Different reproductive successsuccess
Traits are inheritedTraits are inherited
What are the 3 things that have What are the 3 things that have to be in place for selection to to be in place for selection to
take place?take place?
Old population of giraffes had shorter necks. Old population of giraffes had shorter necks. Variation within the population had longer Variation within the population had longer
necks. As food moved higher the longer neck necks. As food moved higher the longer neck variation was more successful while the variation was more successful while the
shorter neck variation died off. The longer shorter neck variation died off. The longer necks reproduced and that variation was necks reproduced and that variation was more common. Over time the longer neck more common. Over time the longer neck variation kept occurring and got selected variation kept occurring and got selected
until today’s giraffe.until today’s giraffe.
Provide age, structure and Provide age, structure and behavior clues of species in behavior clues of species in
the past.the past.
The closer the DNA and/or The closer the DNA and/or amino acid sequences the closer amino acid sequences the closer the species are in relationship.the species are in relationship.
Study of development. Similar Study of development. Similar development equals common development equals common
ancestry ancestry
Similar species are close Similar species are close together. The farther apart a together. The farther apart a
species is the greater the species is the greater the difference. difference.
Evidence for $500Evidence for $500
Explain the 3 types of Explain the 3 types of anatomical evidence.anatomical evidence.
1.1. Homologous structuresHomologous structures similar similar structure but different function structure but different function
common ancestorcommon ancestor2. 2. Vestigial structureVestigial structure type of homolgous type of homolgous
structure structure left over from common left over from common ancestor and serves no purpose now.ancestor and serves no purpose now.
3. 3. Analogous structuresAnalogous structures same function same function but different structure but different structure no common no common
ancestor but similar environmental ancestor but similar environmental change.change.
What are fossils that connect What are fossils that connect the dots between a common the dots between a common
ancestor and a modern species?ancestor and a modern species?
Misc. for $200Misc. for $200
Give an example of a modern Give an example of a modern trait found multiple species trait found multiple species but has been modified for but has been modified for
specific use.specific use.
Misc for $300Misc for $300
Species start of looking the Species start of looking the same as embryos. What same as embryos. What
causes the change in causes the change in development (ie. Gills or development (ie. Gills or
lungs) lungs)
Meiosis:Meiosis:law of segregation, independent assortment, law of segregation, independent assortment,
crossing overcrossing overRandom matingRandom mating
Random fertilizationRandom fertilizationRandom MutationsRandom Mutations
Misc. for $500Misc. for $500
Explain in detail how Darwin’s Explain in detail how Darwin’s finches came about.finches came about.
Use variation, natural selection, Use variation, natural selection, geographic distribution, adaptation, geographic distribution, adaptation, concept that natural selection acts on concept that natural selection acts on
an individual but a population an individual but a population evolves.evolves.
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