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Testbank For Campbell Essential Biology, 5e, Answered, A+ Guide

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Testbank For Campbell Essential Biology, 5e-1) In what way(s) is the science of biology influencing and changing our culture? A) by helping us understand the relevance of evolution to human health B) ... by revealing how mutations in genes can lead to disease C) by providing new tools for forensic investigations D) all of the above Answer: D Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 2) What is biology? A) the scientific study of life B) the scientific study of the environment C) the scientific study of DNA D) the scientific study of ecosystems Answer: A Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 3) Which of the following is not a property of life? A) Populations of organisms rarely change over time. B) Living things exhibit complex but ordered organization. C) Organisms take in energy and use it to perform all of life's activities. D) Organisms reproduce their own kind. Answer: A Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 4) What are the two main processes that ecosystems depend upon? A) speciation and evolution B) nutrient recycling and energy flow C) decomposition and nutrient recycling D) sunlight and photosynthesis Answer: B Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 5) Which of the following is not recycled but is lost from ecosystems? A) nitrogen B) energy C) magnesium D) carbon Answer: B Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 6) Which of the following is a producer? A) oak tree B) earthworm C) sun D) cat Answer: A Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 7) Humans are . A) producers B) producers and consumers C) consumers D) producers and decomposers Answer: C Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 8) Which of the following structures can perform all the activities required for life? A) DNA molecules B) cells C) organelles D) nuclei Answer: B Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 9) Relative to prokaryotic cells, eukaryotic cells are usually . A) larger and more complex B) smaller and simpler C) larger and equally complex D) smaller and more complex Answer: A Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehension 10) Humans are composed of cells. A) bacterial B) eukaryotic C) plant D) prokaryotic Answer: B Topic: 1.1 The Scope of Life Skill: Knowledge/Comprehensio [Show More]

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