Which of the Following Flower Mechanisms Would Help Prevent Pollination

question 52

Multiple Choice

Which of the following flower mechanisms would help prevent pollination by a foreign species?

• A) A pollen tube only grows in the style of its own species.
• B) The stigma is sticks only to its own species of pollen.
• C) The timing of flowering varies by species.
• D) Flowers attract a small number of specialized pollinators.
• E) All of the answer choices describe mechanisms that reduce the chance of pollination by a foreign species.

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