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Variation
Mechanisms of Evolution
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Regents
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Survival of the
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Variation for $100
A mistake in the DNA sequence, resulting in variation
Answer

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Variation for $200
The type of cell division that produces unique offspring
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Variation for $300
The type of reproduction that produces variation in the offspring.
Answer

Sexual reproduction
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Variation for $400
When homologous chromosomes pair up during meiosis and exchange genes like baseball cards, causing variation.
Answer

Crossing over
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Variation for $500
Variation in offspring may produce a new and desirable trait . For the trait to spread through the population it must have ________ ______.
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Mechanisms of Evolution for $100
When a species produces more offspring than can possibly survive.
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Mechanisms of Evolution for $200
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Mechanisms of Evolution for $300
The major benefit of sexual reproduction, which can lead to new traits that have adaptive value.
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Mechanisms of Evolution for $400
Any trait that helps an organism survive and reproduce is said to have _________ _______.
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Mechanisms of Evolution for $500
The process of the environment choosing which traits have the most adaptive value, thus choosing which organisms will survive.
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Regents Questions for $100
A maple tree releases hundreds of seeds in a single season. This is an example of…
A. a mutation
B. geographic isolation
C. overproduction
D. non-random mating
Answer

C. overproduction
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Regents Questions for $200
A correct interpretation of the theory of natural selection could be…
A. The strongest survive
B. Nature will cause mutations that fit the environment better
C. Individuals will naturally select the variations which allow them to live better
D. Individuals which are most fit to the environmental conditions will survive.
Answer

D. Individuals which are most fit to the environmental conditions will survive.
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Regents Questions for $300
What is the best definition of evolution?
a. Genetic change in an individual.
b. Genetic change in a population over time.
c. The process by which humans came from monkeys.
d. The process by which somatic mutations are passed down to offspring.
Answer

• b. Genetic change in a population over time.
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Regents Questions for $400
The structural similarities between the flippers of whales and the arms of humans are used to show that the… a. human species began life in the oceans b. human species and whales have a common ancestry c. whales are older than the human species d. whales evolved from the human species
Answer

b. human species and whales have a common ancestry
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Regents Questions for $500
The short “tailbones” of humans are thought to be an example of
A. Homologous structures proving evolution
B. An adaptation caused by an early ancestors need to have a tail to survive
C. Homogeneous structures which indicate common ancestry
D. Vestigial structures which are remnants of structures no longer needed for survival
Answer

D. Vestigial structures which are remnants of structures no longer needed for survival
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Survival of the Fittest for $100
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Survival of the Fittest for $200
Charles Darwin’s theory, that explains how the most fit survive to pass on their genes
Answer

Natural Selection
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Survival of the Fittest for $300
Traits that make on organism more fit to survive are said to have ________ ______ .
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Survival of the Fittest for $400
Darwin's studies of finches on the Galapagos
Islands suggest that the finches' differences in beak structure were most directly due to
( A.)acquired characteristics in the parent finches
( B.)the size of the island where the finches live
( C.)mating behaviors of the different finch species
( D.)adaptations of the finches to different environments
Answer

( D.)adaptations of the finches to different environments
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Survival of the Fittest for $500
Certain strains of bacteria that could be killed by penicillin have now become resistant and penicillin is no longer effective. The probable explanation for this is that a.the gene mutation rate must have increased naturally.
b.the strains have become resistant because they needed to do so for survival.
c.a mutation that gave some of them resistance was passed on to succeeding generations because it had high survival value.
d.the penicillin influence the bacterial pattern of mating.
Answer

c.a mutation that gave some of them resistance was passed on to succeeding generations because it had high survival value.
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Amino Acids
Name for a chain of
Amino Acids

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One player game
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