Bio 200 Lab Quizzes With Complete Solutions

Bio 200 Lab quizzes
j7 j7 j7




Lab quiz #1 - correct answer✔ ✔ -----
j7 j7 j7 j7 j7




Describe the scientific method j7 j7 j7




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




-Ask questions j7



-Check accumulated scientific data
j7 j7 j7



-Formulate hypothesis j7



-run multiple controlled experiments
j7 j7 j7



-make conclusions and accept of reject orig hypothesis
j7 j7 j7 j7 j7 j7 j7



-report findings j7




**if reject.. formulate new hypothesis
j7 j7 j7 j7




Generally a hypothesis leads to very specific --- -
j7 j7 j7 j7 j7 j7 j7 j7


correct answer✔ ✔ scientific predictions
j7 j7 j7

,the prediction made with initial hypothesis is --- -
j7 j7 j7 j7 j7 j7 j7 j7


correct answer✔ ✔ testable
j7 j7




There are several factors to keep in mind when designing a scie
j7 j7 j7 j7 j7 j7 j7 j7 j7 j7 j7


ntific experiment: (3) - correct answer✔ ✔ -
j7 j7 j7 j7 j7


variables (need to be tested,measured and held constant)
j7 j7 j7 j7 j7 j7 j7



-controls (to be run) j7 j7 j7



-replicate (how many times to replicate and experiment)
j7 j7 j7 j7 j7 j7 j7




Independent variables - correct answer✔ ✔ j7 j7 j7 j7


variables that cause changes in dependent variables
j7 j7 j7 j7 j7 j7




Dependent variables - correct answer✔ ✔ j7 j7 j7 j7


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


independent variables j7




Standardized variables - correct answer✔ ✔ j7 j7 j7 j7


held constant for all subjects in an experiment
j7 j7 j7 j7 j7 j7 j7




**keep things the same so that it doesn't affect experiment (ex:
j7 j7 j7 j7 j7 j7 j7 j7 j7 j7 j7


the same weather during experiments)
j7 j7 j7 j7

, controls in an experiment - correct answer✔ ✔
j7 j7 j7 j7 j7 j7


something that you can compare experiment to j7 j7 j7 j7 j7 j7




Why is replication and sample size important? - correct answer
j7 j7 j7 j7 j7 j7 j7 j7 j7


✔ ✔ The more of both, the more accurate j7 j7 j7 j7 j7 j7




scientific knowledge gained through the process of scientific in
j7 j7 j7 j7 j7 j7 j7 j7


vestigation is based on - correct answer✔ ✔
j7 j7 j7 j7 j7 j7


generalizations & conclusions drawn from specific observatio j7 j7 j7 j7 j7 j7


ns and experiments
j7 j7




generalizations & conclusions drawn from specific observations
j7 j7 j7 j7 j7 j7


and experiments is known as - correct answer✔ ✔
j7 j7 j7 j7 j7 j7 j7 j7


inductive reasoning j7




any info gathered through observations & experiments is know
j7 j7 j7 j7 j7 j7 j7 j7


n as - correct answer✔ ✔ inductive reasoning
j7 j7 j7 j7 j7




any info gathered through inductive reasoning has --- -
j7 j7 j7 j7 j7 j7 j7 j7


correct answer✔ ✔ a level of uncertainty
j7 j7 j7 j7 j7