The Rapid Leaf Movements Resulting from a Response to Touch

question 50

Multiple Choice

The rapid leaf movements resulting from a response to touch (thigmotropism) primarily involve

• A)rapid growth response.
• B)potassium channels.
• C)nervous tissue.
• D)aquaporins.

---

Definitions:

Economic Thinking

An approach to analyzing problems that considers the allocation of scarce resources and the trade-offs involved in decisions.

Additional Benefits

Extra advantages or positive outcomes that accompany a primary benefit or result.

Marginal Cost

The financial outlay required to produce an additional unit of a good or service.

Gasoline

A transparent, petroleum-derived liquid that is used primarily as a fuel in most spark-ignited internal combustion engines.