Evolution and Natural Selection

Front

The theory of natural selection was a hypothesis first proposed by: Gregor Mendel, James Watson and Francis Crick, Charles Darwin, Robert Hooke

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Charles Darwin

Front

1000 red and 1000 white ground beetles are placed in a cage on red clay containing beetle eating birds. The beetles are counted after 2 days. What is expected?

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More red beetles are left

Front

Darwin's studies of finches on the Galapagos Island suggest that the finches' differences in beak structure were most directly due to: acquired characteristics in the parent finches, the size of the island where the finches live, mating behaviors of the different finch species, geographic isolation and adaptations of the finches to different environments.

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geographic isolation and adaptations of the finches to different environments

Front

Which statement best describes evolution?

Back

evolution is a process of change through time

Front

Characteristics of a species that make its members better able to live and reproduce in their environment are known as

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favorable adaptations

Front

Which of the following is true about natural selection?

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Only those organisms that survive the environmental change pass on their traits to the next generation.

Front

What process do many scientists believe has resulted in the great number of different species of organisms on the planet over billions of years?

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evolution 

Front

A change in the gene pool due to death or isolation is called

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genetic drift

Front

The information in the chart provides data that can help in the identification of possible evolutionary relationships from the study of comparative __________ (Options: cytology, embryology, anatomy, biochemistry)

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biochemistry

Front

Using the information from the chart, which two organisms are the closest in evolutionary distance from a common ancestor? Options: horse-zebra, human-gorilla, human-chimpanzee, horse-chimpanzee

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human-chimpanzee