AnswersFL-2000315-Biology 1 CRHypotheses, Theories, and Laws

Hypotheses, Theories, and Laws Answers

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1
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How do observations relate to hypotheses? Check all that apply.

A
Observations leading to a hypothesis come from prior knowledge or research.
B
Observations leading to a hypothesis come from the same experiment.
C
A hypothesis is formed based on observations from many experiments.
D
A hypothesis is formed after making observations but before performing an experiment.
2
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Which characteristics distinguish a law from a theory? Check all that apply.

A
A law begins as a testable hypothesis.
B
A law may be demonstrated mathematically.
C
A law is a statement of fact.
D
A law is only an explanation of observations.
E
A law is accepted as true based on a few experiments with similar results.
3

Which statements regarding hypotheses are true? Check all that apply.

A
Hypotheses are based on observations.
B
Hypotheses are written when experiments are complete.
C
Hypotheses are formed from testable questions.
D
Hypotheses are tested with controlled experiments.
4

Theories change as new information becomes available. Which actions are most likely to lead to the discovery of new information? Check all that apply.

A
repeating experiments using the same experimental method each time
B
repeating experiments using the technology available at the time of the original experiment
C
repeating an experiment using the latest technology
D
developing a new experimental method to test an existing hypothesis
5

How did Jenner form his hypothesis?

A
He based his hypothesis on prior knowledge of smallpox.
B
He based his hypothesis on a statement made by a dairymaid.
C
He based his hypothesis on an observation made during a prior experiment.
D
He based his hypothesis on the relationship between cowpox and smallpox.

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