BIO 200 LAB QUIZZES WITH COMPLETE SOLUTIONS

Bio 200 Lab quizzes
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Lab quiz #1 - correct answer✔ ✔ -----
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Describe the scientific method j7 j7 j7




& if reject... - correct answer✔ ✔ -Make observations
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-Ask questions j7



-Check accumulated scientific data
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-Formulate hypothesis j7



-run multiple controlled experiments
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-make conclusions and accept of reject orig hypothesis
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-report findings j7




**if reject.. formulate new hypothesis
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Generally a hypothesis leads to very specific --- -
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correct answer✔ ✔ scientific predictions
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,the prediction made with initial hypothesis is --- -
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correct answer✔ ✔ testable
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There are several factors to keep in mind when designing a scie
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ntific experiment: (3) - correct answer✔ ✔ -
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variables (need to be tested,measured and held constant)
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-controls (to be run) j7 j7 j7



-replicate (how many times to replicate and experiment)
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Independent variables - correct answer✔ ✔ j7 j7 j7 j7


variables that cause changes in dependent variables
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Dependent variables - correct answer✔ ✔ j7 j7 j7 j7


things that are expected to change in response to variation in
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independent variables j7




Standardized variables - correct answer✔ ✔ j7 j7 j7 j7


held constant for all subjects in an experiment
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**keep things the same so that it doesn't affect experiment (ex:
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the same weather during experiments)
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, controls in an experiment - correct answer✔ ✔
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something that you can compare experiment to j7 j7 j7 j7 j7 j7




Why is replication and sample size important? - correct answer
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✔ ✔ The more of both, the more accurate j7 j7 j7 j7 j7 j7




scientific knowledge gained through the process of scientific in
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vestigation is based on - correct answer✔ ✔
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generalizations & conclusions drawn from specific observatio j7 j7 j7 j7 j7 j7


ns and experiments
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generalizations & conclusions drawn from specific observations
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and experiments is known as - correct answer✔ ✔
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inductive reasoning j7




any info gathered through observations & experiments is know
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n as - correct answer✔ ✔ inductive reasoning
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any info gathered through inductive reasoning has --- -
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correct answer✔ ✔ a level of uncertainty
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