When Darwin Covered the Tip of a Grass Seedling with Metal

question 1

Multiple Choice

When Darwin covered the tip of a grass seedling with metal foil and then illuminated it from one side,what happened to the seedling?

• A)It bent away from the directional light.
• B)It did not respond to the directional light.
• C)It grew toward the light,as expected.
• D)It waved back and forth.
• E)It wilted and died.

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Definitions:

Letters

Symbols in an alphabet used to represent sounds or phonemes in written language, serving as the fundamental units of writing systems.

Categorical Syllogism

A form of reasoning where two premises lead to a conclusion, based on relationships between categories or groups.

Standard Form

A way of arranging the premises and conclusion of an argument to clearly show the logical structure.

Middle Term

In a syllogism, the term that appears in both premises but not in the conclusion, serving as a link between the other terms.