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VariationVariationRegentsQuestionsRegentsQuestionsSurvival of the FittestSurvival FittestMechanisms of Evolution Mechanisms $100 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $200 Exit

Variation for $100 Answer A mistake in the DNA sequence, resulting in variation

Mutation Back to the Back to the Board

Variation for $200 Answer The type of cell division that produces unique offspring

Meiosis Back to the Back to the Board

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

Sexual reproduction Back to the Back to the Board

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

Crossing over Back to the Back to the Board

Variation for $500 Answer new and desirable trait spread Variation in offspring may produce a new and desirable trait. For the trait to spread through the population it must have ________ ______.

Adaptive value Back to the Back to the Board

Mechanisms of Evolution Mechanisms of Evolution for $100 Answer When a species produces more offspring than can possibly survive.

Overproduction Back to the Back to the Board

Mechanisms of Evolution Mechanisms of Evolution for $200 Answer Overproduction and a limited amount of resources produces this between organisms.

Competition Back to the Back to the Board

Mechanisms of Evolution Mechanisms of Evolution for $300 Answer The major benefit of sexual reproduction, which can lead to new traits that have adaptive value.

Back to the Back to the Board Genetic Variation

Mechanisms of Evolution Mechanisms of Evolution for $400 Answer Any trait that helps an organism survive and reproduce is said to have _________ _______.

Adaptive Value Back to the Back to the Board

Mechanisms of Evolution Mechanisms of Evolution for $500 Answer The process of the environment choosing which traits have the most adaptive value, thus choosing which organisms will survive.

Natural Selection Back to the Back to the Board

Regents Questions Regents Questions for $100 Answer 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

C. overproduction Back to the Back to the Board

Regents Questions Regents Questions for $200 Answer 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.

Back to the Back to the Board

Regents Questions Regents Questions for $300 Answer 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.

b. Genetic change in a population over time. Back to the Back to the Board

Regents Questions Regents Questions for $400 Answer 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

b. human species and whales have a common ancestry Back to the Back to the Board

Regents Questions Regents Questions for $500 Answer 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

Back to the Back to the Board

Survival of the Fittest Survival of the Fittest for $100 The struggle for survival between organisms over food, shelter, and mates Answer

Competition Back to the Back to the Board

Survival of the Fittest 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 Back to the Back to the Board

Survival of the Fittest Survival of the Fittest for $300 Traits that make on organism more fit to survive are said to have ________ ______. Answer

Adaptive Value Back to the Back to the Board

Survival of the Fittest 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 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 Back to the Back to the Board

Survival of the Fittest 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. 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. Back to the Back to the Board

Amino Acids Name for a chain of Amino Acids

Polypeptide

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