Biology Worksheet

What includes the chemical processes essential for growth, repair, and reproduction?

• Growth

• homeostasis

• development

• metabolism

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While you are riding the ski lift up to the top of the mountain on a very cold day you start to shiver involuntarily. You know that the shivering is your body's attempt to help regulate your body temperature and is an example of what type of mechanism?

• sensitivity

• evolutionary adaptation

• homeostasis

• energy utilization

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The term that Darwin used to describe the concept that those with superior physical, behavior or other attributes are more likely to survive than those that are not so well endowed, and thus are more likely to pass their traits to the next generation, is called:

• superior beings

• geometric progression

• survival of modifications

• natural selection

• biological diversity

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What is the name of the discipline that is the study of life?

• Biology

• Geology

• Astronomy

• Physics

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Cell theory is one of the foundations of biology. What are the tenets of the cell theory?

• All living organisms consist of cells

• Organisms are formed through spontaneous generation

• Cells carry genetic material passed to daughter cells during cellular division.

• Cells arise from other cells through the process of cell division.

• All cells have the ability to move.

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A suggested explanation that might be true and is subject to testing by further observations is a(n):

• theory.

• experiment.

• generality.

• hypothesis.

• scientific principle.

After Darwin concluded his voyage on the Beagle, he proposed that the process of natural selection was a mechanism for:

• sexual selection.

• evolution.

• speciation.

• overpopulation of finches on the Galapagos Islands.

• artificial selection.

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How many cells make up a unicellular organism?

• One

• Two

• Ten

• Many

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Plants are raised under artificial lights turned off and on by an electric clock. Some are given long periods of light, others short periods. This is an example of:

• an experiment

• a hypothesis

• a theory

• inductive reasoning

• deductive reasoning

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Carbon-12, Carbon-13 and Carbon-14 are examples of__________.

• isomers

• ions

• isotopes

• molecules