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BIO 156 EXAM 1 | 137 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT | UPDATED 2025
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BIO 156 EXAM 1 | 137 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT | UPDATED 2025
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BIO 156 EXAM 1 | 137 QUESTIONS ANDANSWERS WITH COMPLETE SOLUTIONS
100% CORRECT | UPDATED 2025
What is the definition of "Biology"? - ANSWER Biology is the scientific study of
life and organisms
ESSAY:
1. Create a carefully worded and precise RQ
-Define, describe, clarify (any unclear words/phrases)
-Ask other researchers
2. Review the "Literature"" to explore the RQ
-Primary literature: published reports of original scientific research, peer reviewed
journals
-Secondary literature: everything else
3. Create multiple HYPOTHESES and make list of POSSIBLE answers to RQ
-Hypothesis: one of many possible answers to the RQ
-Is it VALID: does it make sense
-Is it TESTABLE: can it be used to generate PREDICTIONS (deductions) about CMW
world
4. Generate PREDICTIONS from your hypothesis. Be SPECIFIC
-The deduction formula
,-IF (my H is true), THEN what should I observe in the real world
5. Do EXPERIMENTS test your PREDICTIONS
-Establish clear & repeatable EXPERIMENTAL DESIGN
-consider RQ, hypothesis, the variables
-IV: deliberately change, "set up"
-DV: observe
-Controlled variable: all possible variables that mi - ANSWER essay
What is Science? - ANSWER Science is a tool used to answer certain questions
about the natural world
When/Where does SCIENCE/SCIENTIFIC METHOD "work" best? - ANSWER
Works best when...
We are asking questions and expecting answers in concrete material "CMW"
How can you make sure that your RESEARCH QUESTION is clear and precise? -
ANSWER -Define
-Describe
-Clarify any unclear words or phrases
-Ask other researchers
Why is PEER COMMUNICATION [step 7] mentioned in step 1 of the H-D Scientific
Method? - ANSWER -Peer communication should actually be in EVERY STEP
-Science is a social activity
,What exactly is a hypothesis?
Describe 2 properties of a GOOD/USEFUL hypothesis. - ANSWER -A hypothesis
is one of many possible answers to the research question
-Valid: does it makes sense
-Testable: can be used to make predictions about the CMW
List two ways that a HYPOTHESIS and a PREDICTION are different - ANSWER -
HYPOTHESIS
-general
-sound like an answer to a question
-PREDICTIONS
-specific
-sound like a research question
What is the difference between a HYPOTHESIS and a THEORY? - ANSWER -
Theory: a well tested hypothesis that has never made a false prediction, (and has
only made true predictions)
-Hypothesis: only ONE possible answer
, How do we decide if a HYPOTHESIS gets to "stay on the list of possible answers" or
gets thrown off the list? - ANSWER -IF a hypothesis is VALID and TESTABLE it is
kept on the list
-IF a hypothesis is making TRUE PREDICTIONS, THEN we keep it on the list of
possible answers to the RQ.
IF it makes a FALSE prediction, it gets thrown off the list.
Define Independent variable (IV) - ANSWER -the variable that is deliberately
created/"set up" by the researcher
Define Dependent variable (DV) - ANSWER -the variable that is measured
-usually difficult to create it
-can only observe it
What very important MOLECULE is in the Centigrade/Celsius temperature scale
associated with? - ANSWER H2O
MATCH the Metric Prefix with its corresponding value:
____Giga a. x 1,000
____centi b. x 1 billion
____micro c. x 10
____deka d x0.000001(one-millionth)
____kilo e x 0.01 (0ne-hundredth) - ANSWER __b__Giga a. x 1,000
__e__centi b. x 1 billion
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