What Flower Mechanism Would Help Prevent Pollination by a Foreign

question 72

Multiple Choice

What flower mechanism would help prevent pollination by a foreign plant species?

• A) A pollen tube only grows inside the style of its own species.
• B) The stigma is sticky mainly to its own species of pollen.
• C) The timing of flowering keeps pollinators moving among a limited number of species.
• D) Flowers attract a small number of specialized pollinators and, therefore, pollen is not spread equally to all available species of flowers.
• E) All of the answer choices help prevent pollination by a foreign species.

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Definitions:

Cost-benefit Analysis

A method of evaluating the feasibility and efficiency of a project or investment by comparing the expected benefits with the associated costs.

Oligopoly

A market structure characterized by a small number of firms dominating the market, often leading to limited competition.

Industry Sales

The total volume of products sold or services rendered within a particular industry over a specific time period.