Biology Chapter 1

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BiologyChapter 1

• Test Review

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Fill in the Blank

• A ________ is a statement of fact meant to
  describe an action. It is generally accepted to
  be true and universal, because they have always
  been observed to be true.
• Give an example

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Fill in the Blank

• A LAW is a statement of fact meant to describe an
  action. It is generally accepted to be true and
  universal, because they have always been observed
  to be true.
• Example Newtons Law of Gravity

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Explain the play on words
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Answer An Hypothesis is an educated GUESS!
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How do scientists come up with new hypothesis?

• Give one source

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How do scientists come up with new hypothesis?

• Prior experiences/ knowledge
• Inferences based on observations
• Creative imaginations!

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Fill in the Blank

• A scientific _________ summarizes a hypothesis or
  group of hypotheses that have been supported with
  repeated testing.

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• A scientific theory summarizes a hypothesis or
  group of hypotheses that have been supported with
  repeated testing.

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An experiment is valuable only if

1. The hypothesis is proven correct.
2. The results can be replicated.
3. The scientists followed proper safety procedures
4. It supports the scientists personal point of view

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An experiment is valuable only if

1. The hypothesis is proven correct.
2. The results can be replicated.
3. The scientists followed proper safety procedures
4. It supports the scientists personal point of view

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Write a possible hypothesis based on the cartoon.
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Possible Answer If they continue canoeing, the
monster will eat them.
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Write a possible hypothesis based on the photo.
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Possible Answer If you pass this point, you
will go over the waterfall.
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A good hypothesis must be able to be _________.
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Answer A good hypothesis must be able to be
TESTED.
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The metric system makes conversions easy because
it is based on ____.
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The metric system makes conversions easy because
it is based on 10.
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What is the control?Why?
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Egg 1 is the control because nothing is done to
it.
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List 3 safety rules that you might suggest.
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Safety glassesFollow directionsListen to the
teacher
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What type of data is represented below?
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Quantitative
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What type of data is represented below?
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Qualitative
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Make an inference based on the cartoon.
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The fish hit the ball through the glass.
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What are 5 of the 8 characteristics of life?
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What are 5 of the 8 characteristics of life?

• made of cells.
• Made of genes
• Homeostasis
• obtain use energy.
• grow and develop.
• reproduce.
• responds to environment
• adapts to environment

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Whose experiment is shown?
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Whose experiment is shown? Redis
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What was he trying to prove?
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What was he trying to prove? Spontaneous
generation was not occurring.
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Identify 2 controlled variables.
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controlled variables.Jar, meat, temperature,
amount of light
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Identify the manipulated variable.
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manipulated variablecovering on jar
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This is the ______.
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This is the biosphere.
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All the living things in this picture belong to a
______.
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All the living things in this picture belong to a
community.
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This is a _______ of mice.
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This is a population of mice.
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Make a quantitative observation.
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Quantitative4 prairie dogs
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Make a qualitative observation.
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Qualitativebrown white
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Identify explain a bioethical controversy
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Bioethical Controversies
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Form an hypothesis!
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Form an hypothesis!

• If the coyote touches the circle, the trap will
  snap close.