The Theory of Plate Tectonics Describes Movement of Plates of the Earth's

question 22

Multiple Choice

The theory of plate tectonics describes movement of plates of the Earth's crust through time.Which of the following can you deduce from what you learned in this chapter about plate tectonics?

• A)The continental plates have stopped moving,so continents are now in their final locations.
• B)Some other organisms must have speciation patterns similar to those of ratites due to plate tectonics.
• C)All distributions of animals on land can be explained by vicariance events due to past plate movements.
• D)None of the above statements is true.

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Definitions:

Placebo

An inert or non-effective substance or treatment given to a participant in a study, used to contrast with an active substance to test its efficacy.

Test

An assessment or examination intended to measure a test-taker's knowledge, skill, aptitude, physical fitness, or classification in many other topics.

Independent Variable

The variable in an experiment that is manipulated to observe its effect on the dependent variable.

Dependent Variable

The variable in an experiment that is affected by manipulation of the independent variable, and is measured or observed by the researcher.