It Has Been Hypothesized That Fungi and Plants Have a Mutualistic

question 36

Multiple Choice

It has been hypothesized that fungi and plants have a mutualistic relationship because fungi provide critical nitrogen for the plants' use.How do we know this happens?

• A)Plants acquire more radioactive nitrogen when they are associated with fungi.
• B)Radioactively labeled nitrogen shows up in fungi when they are symbiotic with plants.
• C)When plants are associated with fungi,they can fix atmospheric nitrogen that has been tagged with a radioactive label.
• D)Radioactively labeled sugars in plants eventually find their way to their symbiotic fungi.

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Definitions:

Long Run

A period in which all factors of production and costs are variable, allowing firms to adjust all inputs as needed.

Perfectly Elastic

A demand situation where the quantity demanded changes infinitely in response to any change in price.

Equilibrium Quantity

The quantity of goods or services supplied and demanded at the equilibrium price, where demand and supply are equal.

Equilibrium Price

The price at which the quantity of a product offered is equal to the quantity of the product in demand.