biology 15 non vocab – Flashcards
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In what way did the voyage of the Beagle provide Darwin with an ideal opportunity for collecting and analyzing data?
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Darwin was able to make observations and collect specimens from many different places.
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What observations did Charles Darwin make about finches in the Galápagos Islands?
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Different species of finches lived on different islands.
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Natural selection results in change overtime by acting on traits that are
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heritable
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The study of embryological similarities and difference among species is called
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B. comparative embryology
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Natural selection causes changes in populations of organisms, not individual organisms, because
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differential reproductive success caused by genetic variation is necessary for the process of natural selection.
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Comparative biochemistry is the study of similarities and differences in _______ among organisms.
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B. DNA sequence
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Which of the following best explains the variety of beaks found in finches on the Galápagos Island?
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Evolution through natural selection can increase the species diversity of an ecosystem.
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Which of the following is best defined as the transfer of genetic information from one population to another?
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Gene flow
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Scientists classify organisms based on what?
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II. Structural likeness III. Similarities in DNA sequence IV. Similarities in embryonic stages of development
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In order to be classified in the same species, a group of organisms must be able to
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Interbreed and produce fertile offspring.
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The amino acid coded by specific codons
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B. are almost universal among all living things.
