Julie Tests

Julie Tests - test 1 Question 1 (1 point) The branching...

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test 1 Question 1 (1 point) The branching patterns of the evolutionary Tree of Life are based on a rich array of evidence from a. fossils. b. DNA sequencing. c. metabolic processes. d. Both a and c e. All of the above Score: 1 / 1 Question 2 (1 point) Diagram - From the diagram below it can be determined that a. there are three groups of Eukarya. b. protists and bacteria have no common ancestor. c. plants and fungi have a more recent common ancestor than plants and animals. d. plants, fungi, and animals are descendants of different microbial eukaryotic ancestors. e. Archaea is the evolutionarily ancient group. Score: 0 / 1 Question 3 (1 point) Metabolism is a. the consumption of energy. b. the release of energy. c. all conversions of matter and energy taking place in an organism. d. the production of heat by chemical reactions. e. the exchange of nutrients and waste products with the environment. Score: 1 / 1
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Question 4 (1 point) Ozone is important to life on Earth because it a. is toxic to all forms of life. b. can be used in place of oxygen. c. blocks much ultraviolet radiation. d. provides energy to some basic forms of life. e. acts as a disinfectant. Score: 1 / 1 Question 5 (1 point) The initial accumulation of oxygen in the atmosphere was the result of photosynthesis from an organism most like modern a. cyanobacteria. b. algae. c. mosses. d. kelp. e. eukaryotes. Score: 1 / 1 Question 6 (1 point) Plants are a. eukaryotic, multicellular photosynthesizers. b. eukaryotic, unicellular autotrophs. c. eukaryotic, multicellular heterotrophs. d. prokaryotic, multicellular autotrophs. e. prokaryotic, unicellular heterotrophs. Score: 1 / 1 Question 7 (1 point) An evolutionary tree a. shows evolutionary relationships. b. places the most closely related groups on the same branch of the tree.
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c. places the organisms that share a common ancestor on the same branch of the tree. d. shows the order in which populations split and evolved into new species. e. All of the above Score: 1 / 1 Question 8 (1 point) An element has a weight of 131.3. The reason the number is not a whole number is that a. the atomic weight includes the weight of electrons. b. atomic weight is the average of the mass numbers of all the element's isotopes. c. the neutrons do not have a single unit weight. d. the atomic weight does not include the weight of protons. e. the number of electrons may vary. Score: 1 / 1 Question 9 (1 point) The atomic number of an element is the same as the number of _______ in each atom. a. neutrons b. protons plus electrons c. p rotons d. neutrons plus protons e. neutrons plus electrons Score: 1 / 1 Question 10 (1 point) What is the difference between an atom and an element? a.
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This note was uploaded on 04/07/2008 for the course BIOL 2140 taught by Professor Dubrul during the Spring '08 term at Toledo.

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Julie Tests - test 1 Question 1 (1 point) The branching...

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