Which Root Adaptation Enables Plants to Access Atmospheric Nitrogen

question 56

Multiple Choice

Which root adaptation enables plants to access atmospheric nitrogen?

• A) Root nodules that are colonized by bacteria.
• B) A mutualistic relationship with fungi.
• C) Stomata that allow the diffusion of nitrogen through the epidermis of the leaf.
• D) Thin cell membranes that are porous enough to allow for the diffusion of nitrogen into the root system.
• E) Bacteria that live within the leaves of the plants that absorb nitrogen and make it available for the plant.

---

Definitions:

Theory

A system of ideas intended to explain something, based on general principles independent of the thing to be explained.

Invisible Hand

A metaphor coined by Adam Smith to describe the self-regulating nature of the market, where individuals pursuing their own interests inadvertently benefit society as a whole.

Competitive Market

A market structure characterized by a large number of buyers and sellers where no single party can dictate the market price of goods or services.

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, often a measure of producer wellbeing.