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Biology 1408 Exam 1 Ch. 1 Questions and Answers

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Biology 1408 Exam 1 Ch. 1 Questions and Answers

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Biology 1408
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Biology 1408

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Biology 1408 Exam 1 Ch. 1-3


Evolution - Answer-Change over time



Mutation - Answer-Change in DNA sequence



Atoms - Answer-Smallest unit of matter



Homeostasis - Answer-Internal balance



Autotroph - Answer-Make their own food through photosynthesis



Heterotroph - Answer-Get food from outside sources



Prokaryotic - Answer-No true nucleus; bacteria are prokaryotic (humans have eukaryotic cells)



Variables - Answer-What you are testing for in an experiment, the opposite of the control



Energy - Answer-The sun is the ultimate source of energy



Photosynthetic bacteria - Answer-Autotroph that makes own food



Element - Answer-Substances that cannot be broken down into anything simpler
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