Fungi Interact with Many Organisms in Mutualistic Ways

question 43

Multiple Choice

Fungi interact with many organisms in mutualistic ways. Which of the following involves a fungus that is mutualistic with another organism?

• A) A fungus and a protozoan that live together as a lichen.
• B) A fungus that is raised by ants on leaves that the ants collect from trees and shrubs.
• C) A fungus that lives inside plant roots and produces toxins that kill neighbouring plants.
• D) A fungus that produces penicillin that is used by humans to kill infectious bacteria.

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Definitions:

Price Elastic

Describes a situation where the demand for a product changes significantly in response to a change in the product's price.

Demand

The quantity of a product or service that consumers are willing and able to purchase at various price levels, at a given point in time.

Price Elastic

A term referring to the responsiveness of the demand or supply of a good or service to changes in its price.

Harvest

The process or period of gathering in crops.