Which Statement Describing How Tracheids Aided Early Plants in Their

question 30

Multiple Choice

Which statement describing how tracheids aided early plants in their terrestrial environment is false?

• A) Tracheids provided a path for water to travel from a source of supply to regions of need in the plant body.
• B) The cell walls of tracheids are reinforced with lignin, providing rigid structural support that allowed plants to grow upward toward the sun and against gravity.
• C) Tracheids provided a path for sugars to travel from a source of supply to regions of need in the plant body.
• D) The increase in plant height due to the presence of tracheids improved spore dispersal, allowing progeny to spread farther.
• E) Tracheids provided a path for minerals to travel from a source of supply to regions of need in the plant body.

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Definitions:

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem, including species diversity, genetic diversity, and ecosystem diversity.

Medicinal

Referring to substances or practices used in the treatment of illness or to enhance physical or mental health.

Wheat

A cereal grain, originally from the Levant region of the Near East and Ethiopian Highlands, that is a global staple food.

Corn

A cereal plant (Zea mays) that produces large kernels on a cob; also used to refer to the kernels themselves, which are a staple food in many parts of the world.