Exam 1 SP2006 - Biology 100 Exam 1 (version 0) February...

Exam 1 SP2006
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Biology 100 Exam 1 (version 0) February 28, 2006 à Choose the BEST answer to each question. 1. What statement(s) best reflect(s) the process component of the Cell Theory? A. The cell is the smallest unit of life. B. All cells have mitochondria. C. All living organisms are made of cells. D. All cells come from pre-existing cells. . E. C. and D 2. In the experiment designed by Pasteur to test the spontaneous generation hypothesis he used two types of flasks: one with a straight neck and one with a “swan” neck. The cell theory hypothesis predicts that: A. Cells will appear in neither flask. B. Cells will appear in the straight-necked flask, but will not appear in the swan-necked flask. C. Cells will appear in the swan-necked flask, but will not appear in the straight-necked flask. D. Cells will appear in both the straight-necked and swan-necked flasks. E. None of the above. 3. Linnaeus’ system of classifying living organisms as belonging to either the Plant Kingdom or the Animal Kingdom was replaced by Whittaker’s Five Kingdom system because _______________________________ A. Linnaeus’ system did not account for the fundamental division between prokaryotes and eukaryotes. B. fungi, such as mushrooms, were not green and therefore belonged in the animal kingdom rather than the plant kingdom where Linnaeus placed them. C. some animals can make their own food and are therefore like plants. D. Linnaeus’ taxonomic classifications did not include domains for bacteria, archaea and eukarya. E. A. and D. 4. Current taxonomic classification attempts to reflect the phylogeny of existing species – i.e., their historical relationships. This change in the goal of taxonomy resulted mainly from _________________________________ A. the need to account for the difference between prokaryotes and eukaryotes. B. the fact that all living organisms are related to each other by virtue of having a common ancestor. C. advances in microscopy that allowed biologists to study the contents of individual cells in detail. D. Woese’s findings about the difference between base sequences in the small subunit of ribosomal RNA in different organisms. E. the mounting evidence for evolution as a model that explained the enormous diversity of living organisms. 5. Which of the following statements about giraffes represent predictions derived from the food Biol 100 Exam 1 Spring 2006, version 0, p.1
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competition hypothesis and is(are) also supported by evidence? 1. Male giraffes with longer necks feed with their necks extended more often than female giraffes. 2. Giraffes with longer necks feed with their necks fully extended more often than giraffes with shorter necks. 3. Giraffes typically feed with their necks fully extended in order to reach foliage near the tops of trees. A.
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