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bio 180 exam 1 quizzes Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations
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bio 180 exam 1 quizzes Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations

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  • November 17, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 180 exam 1 quizzes

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  • Bio 180
  • Bio 180

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bio 180 exam 1 quizzes
Study online at https://quizlet.com/_e0snds

1. What is the difference between a theory and a hypoth- Only scale--theo-
esis? ries deal with "big
ideas" that impact
large parts of the
physical or natur-
al world; hypothe-
ses are more fo-
cused or narrower
in scope.

2. What is the difference between a hypothesis and a A hypothesis is
prediction? an idea--a testable
explanation; a pre-
diction is some-
thing that follows
from a hypothesis
and that you can
measure

3. Which of the following is a prediction based on the If you boil nutrient
cell theory that all organisms are made of cells, and broth and place it
all cells come from preexisting cells? in an air-tight flask,
no cells will appear
in the broth

4. What was important about the experimental design for He compared re-
Pasteur's flask experiment? sults from two ex-
perimental setups
which differed only
in the type of flask
in which the nu-
trient broth was
placed

5. How do biologists test their ideas about the natural Scientists make
world? predictions based
on hypotheses
they have devel-
oped, and then de-


, bio 180 exam 1 quizzes
Study online at https://quizlet.com/_e0snds
sign experiments
or other types of
studies to test
those predictions.

6. Why is it important to perform multiple trials in an To make it more
experiment -- meaning that you include many test likely that the re-
individuals or samples? sults are not due to
a few unusual indi-
viduals or circum-
stances

7. What does the p in "p-value" represent? Probability (of get-
ting the observed
result, just by
chance)

8. Suppose we run a statistical test, and learn that p = There is a 1 in 100
0.01. What does this mean? chance of observ-
ing a difference
between treatment
groups this ex-
treme if the null hy-
pothesis is correct.

9. If we want to plot the distribution of scores on Exam Histogram
1, we should use a...

10. If we want to plot the exam scores of 1st-year students Bar chart
versus 2nd-year students, we would use a ...

11. If we want to compare the scores of 1st-year and There is no differ-
2nd-year students using a statistical test, our null ence in exam per-
hypothesis will be... formance between
students in year 1
and 2.

12. If we calculate means (averages) based on scores 2nd-year students,
from 100 1st-year students and 400 2nd-year students, because we sam-
which is likely to have the smaller standard error? pled more.

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