If Lignin-Containing Cell Walls Had Not Evolved in Land Plants,we

question 130

Multiple Choice

If lignin-containing cell walls had not evolved in land plants,we might now be seeing

• A) fields of tall plants that lack stomata but have rhizoids.
• B) forests of tall animals instead of tall plants on the planet.
• C) plants that grow underground instead of growing tall.
• D) the same plant communities that we have now,because they still have cellulose walls.
• E) land areas of the planet covered with mats of low-lying plants and no trees.

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Definitions:

Monopolist

A market participant that is the sole seller of a good or service, with significant control over its price.

Output Increase

Refers to a rise in the quantity of goods or services produced by an individual, company, or economy over a given period.

Economies of Scale

The decrease in unit cost that results from enhanced scale of operations, highlighting how companies can save on costs per unit by expanding their production scope.

Inelastic Portion

A segment of the demand curve where consumers are relatively unresponsive to changes in price, meaning demand does not significantly decrease as the price increases.