exam1v1-2

exam1v1-2 - p 1 MARTHA HUNTER/JUDITH BRONSTEIN/DANIEL PAPAJ...

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p. 1 M ARTHA H UNTER /J UDITH B RONSTEIN /D ANIEL P APAJ EXAM ONE Feb. 1, 2007 LECTURE SECTION: TTH 11:00 AM – 12:15 PM PRINT UA NetID: LAST NAME:_______________________________________________________ GENERAL INSTRUCTIONS 1. PRINT your UA NetID and last name above AND on the answer sheet. 2. Color in the answers in the appropriate circles. Use a Number 2 Pencil, not a pen! Bubble darkly, so the letter can no longer be seen in the circle. 1. In the history of life on earth, simpler organisms always give rise to more complex organisms. a. True b. False 2. Homeostasis is the a. synthesis of the complex organic molecules that are the building blocks of life. b. maintenance of a relatively stable physical and chemical internal state. c. point in evolutionary time when humans stopped evolving. d. manipulation of an organism’s external environment so that it is stable. 3. Which of the following is FALSE? The evolution of photosynthetic organisms came before the evolution of a. aerobic organisms. b. heterotrophic organisms. c. multicellular organisms. d. mammals. 4. The Earth is approximately billion years old. a. 7.5 b. 15 c. 4.5 d. 1
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p. 2 5. In the history of life on earth, the first replicator molecules were likely a. RNA. b. DNA. c. proteins. d. lipids. 6. In contrast to prokaryotic cells, eukaryotic cells all have a. a cell wall. b. everything in one compartment. c. a cytoskeleton. d. a nuclear envelope. e. both c and d 7. The organelles of eukaryotic cells that evolved from bacteria are the a. nuclear envelope and the vesicles for digestion. b. mitochondrion and the ribosomes. c. mitochondrion and the cytoskeleton. d. mitochondrion and the chloroplast. 8. Which of the following is a likely evolutionary benefit to being multicellular? a. Homeostasis of the center is more easily maintained. b. Reproduction is simpler. c. Groups of cells may specialize for different functions. d. both a and b e. both a and c 9. Which of the following numbers falls within the range of estimates for the number of all living species, both those known and those still-to-be- described? a. 6.5 billion (=6,500,000,000) b. 65 million (=65,000,000) c. 650,000 d. 65,000 10. The main reason that an individual’s intensive body building does not lead to their offspring being extremely muscular, as Lamarck’s theory of evolution predicts, is: a. Environmental effects on an individual’s non-reproductive tissue are not transmitted to reproductive tissue such as eggs or sperm. b. Muscularity is due entirely to environmental influences, not genetic ones. c. Degree of muscularity cannot evolve. d. Traits that evolve are not affected by the environment.
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p. 3 11. Which of the following historical figures constructed a chain of being extending from inanimate objects to a supreme being? a. Darwin
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This note was uploaded on 01/31/2009 for the course BIO 182 taught by Professor Chaux during the Spring '08 term at Arizona.

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exam1v1-2 - p 1 MARTHA HUNTER/JUDITH BRONSTEIN/DANIEL PAPAJ...

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