BioExam1Key - 1 KEY TO THE FIRST EXAM Correct answers are...

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KEY TO THE FIRST EXAM Correct answers are shown in bold typeface 1. Which of the following best describes the process of doing science? a. A hypothesis leads to a question that may lead to a theory. b. A theory leads to an observation that leads to a question. c. An observation leads to a hypothesis that may lead to a theory. d. A theory leads to a question that leads to a test. 2. Which of the following best describes the scientific definition of the word theory ? a. An explanation based on supernatural processes. b. A ‘best guess’ answer to a question. c. An explanation based on personal beliefs. d. An unsupported hypothesis. e. A tried and tested hypothesis. 3. Which of the following best describes Lamarck’s ideas about evolution? a. Just like a watch, the complexity of living things requires a Creator. b. Traits acquired during an individual’s lifetime can be inherited. c. Living things change over time due to natural selection. d. Evolution simply isn’t possible e. All living things require two names, e.g., Homo sapiens for humans. 4. Which of the following provides a biological explanation for similarities and differences in the front limbs of frogs, lizards, bats, cats and whales? a. Some kind of ‘argument from design.’ b. Special creation. c. Inheritance of acquired characters. d. Descent with modification. 1
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5. Which of the following observations and deductions are included in the Darwinian theory of evolution by natural selection? a. Resources are often limited. b. Individuals in populations are not all the same. c. Offspring tend to resemble their parents. d. There is a ‘struggle’ among individuals to survive and breed. e. All of the above. 6. What important idea(s) did Darwin learn from reading a book written by Thomas Malthus? a. Populations have the potential to greatly increase in size. b. Finch beaks vary depending on the type of food eaten. c. Offspring tend to resemble their parents. d. a and c above. e. None of the above. 7. Who was Gregor Mendel? a. The co-discoverer of natural selection. b. A monk who experimented with pea plants. c. A pastor who developed the ‘argument from design.’ d. An American who co-discovered the structure of DNA. e. A Swedish biologist who classified living things. 8. Evolutionary changes in numbers of light versus dark forms of the peppered moth are best explained by: a. Random chance. b. Differences in their ability to find mates. c. Differences in their ability to escape predation. d. Differences in their ability to find food. e. Their inability to breed with one another. 2
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9. Alternative versions of a gene for a given character are called: a. Alleles. b. Homozygotes. c. Heterozygotes. d. Genotypes.
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This test prep was uploaded on 04/06/2008 for the course BIO 102 taught by Professor Staff during the Fall '08 term at Washington State University .

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BioExam1Key - 1 KEY TO THE FIRST EXAM Correct answers are...

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