What Flower Mechanism Would Not Help Prevent Pollination by a Foreign

question 16

Multiple Choice

What flower mechanism would not 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)Flowers of different plant species bloom at the same time with flowers of similar shape,size,and color.

---

Definitions:

Decentration

Simultaneous focusing (centering) on more than one aspect or dimension of a problem or situation.

Concrete Operational

A stage in Piaget's theory of cognitive development (ages 7-12) where children gain a better understanding of concrete events and logical operations, but struggle with abstract concepts.

Phonics

A method of teaching reading and spelling that stresses symbol-sound relationships, used especially in early grades.

Language

A system of communication used by a particular community or country, consisting of written, spoken, or gestural symbols.