Portage Learning BIOL 101 anatomy physiology EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS

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Exam Solution
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Bio 101 Lab 1 Exam 2026 A+ GRADE ASSURED COMPLE
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TE SOLUTIONS AND VERIFIED ANSWERS (34AD2)
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QUESTION 1 zm




List the components and general order of the scientific method
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ANSWER

Make observations Form a hypothesis Create and experiment to test your hypothesis Collect Data an
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d Observations Analyze results to make a conclusion share your findings
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QUESTION 2 zm




Null Hypothesis
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ANSWER

states that there is NO difference between experimental and control groups (proposed cause being s
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tudied doesn't cause the expected effects)
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QUESTION 3 zm




Alternative (Working) Hypothesis zm zm




ANSWER

there is a difference between treatment and control groups
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QUESTION 4 zm




Independent
ANSWER

variable that is manipulated in the experiment
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, QUESTION 5 zm




Dependent
ANSWER

response variable - the one that is measured after, or while, an experiment is run
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QUESTION 6 zm




Controlled Variables zm




ANSWER

variables that are kept the same during the experiment
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QUESTION 7 zm




Experimental group zm




ANSWER

only one variable is manipulated in some way; multiple treatment groups may exist in one experime
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nt (multiple groups of plants grown in different temperatures)
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QUESTION 8 zm




Control Group zm




ANSWER

serves as the standard of comparison; receives no treatment, or is the standard treatment
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QUESTION 9 zm




List ways in which confidence can be increased for experimental conclusions
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ANSWER

Replication, randomization zm




QUESTION 10 zm




TTEST
ANSWER

helps determine "statistically significant" differences between two sets of data; applied to the null hy
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pothesis