Exam 1 Biology - p 1 MARTHA HUNTER/DANIEL PAPAJ/KEVIN...

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p. 1 M ARTHA H UNTER / /D ANIEL P APAJ /K EVIN BONINE EXAM ONE Feb. 7, 2008 LECTURE SECTION: TTH 11:00 AM – 12:15 PM PRINT UA NetID: LAST NAME:_______________________________________________________ GENERAL INSTRUCTIONS PRINT your UA NetID and last name above AND on the answer sheet. Color in the answers in the appropriate circles on the answer sheet. Use a Number 2 Pencil, not a pen! Bubble darkly, so the letter can no longer be seen in the circle. 1. The first life arose on Earth approximately, a. 8 billion years ago b. 4 billion years ago c. 2 billion years ago d. 200 million years ago e. ten thousand years ago 2. Eukaryotic cells were first present on Earth approximately 3. The fundamental, and smallest units of life are 4. These gases were important components of the Earth’s atmosphere 4.5 billion years ago:
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5. Metabolism is best defined as a. DNA replication and synthesis b. burning of fats in a cardiovascular work-out c. coordinated chemical reactions d. reduction of stress 6. Miller and Urey created life in the laboratory from inorganic compounds. a. True b. False 7. Homeostasis is the 8. The Earth is approximately billion years old. 9. Which of the following people believed that evolution was progressive, with organisms becoming more perfect over time? 10. Which of the following pairs of species is most closely related in taxonomic terms? (Note: all names below are actual species names). a. Caretta mydas and Chelonia mydas . b. Heerz tooya and Heerz lukenatcha. c. Homo sapiens and Pan troglodytes. d. Agra phobia and Chaos chaos . 11. Which of the following sequences of taxa are presented in the appropriate order, in terms of Linnaeus’ hierarchical system of classification?
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