Imagine That Your Uncle Is a Scientist Who Has Found

question 39

Multiple Choice

Imagine that your uncle is a scientist who has found himself in possession of a time machine. The two of you travel back to the Paleozoic Era, and are perusing the oceans for microscopic life. What will you find?

• A)only organisms reminiscent of red algae
• B)some photosynthetic organisms, but these would be limited only to cyanobacteria and algae
• C)an array of photosynthetic organisms, including cyanobacteria, dinoflagellates, and diatoms
• D)radiolarians and other organisms with either silica or calcium-carbonate shells
• E)some photosynthetic organisms (cyanobacteria and green algae), and radiolarians and other heterotrophic protists

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Definitions:

Metaphors

Figures of speech that describe an object or action in a way that isn’t literally true, but helps explain an idea or make a comparison.

Analogy

A comparison between two or more similar events or things.

Modus Tollens

A hypothetical syllogism in which the antecedent premise is denied by the consequent premise.

Deductive Arguments

A form of reasoning where the conclusion is logically derived from premises; if the premises are true, the conclusion must be true.