Lichens Consist of an Intimate Mutualistic Symbiosis Between a Fungus

question 34

Multiple Choice

Lichens consist of an intimate mutualistic symbiosis between a fungus, an alga, and/or cyanobacteria. What is one primary role of the cyanobacteria in this association?

• A) protection of the symbionts
• B) nitrogen fixation
• C) decomposition of toxic compounds
• D) recycling of waste products
• E) degradation of lignin

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Definitions:

Expected Number

An average or most probable value calculated based on statistical analysis or probability theory.

Supply Chain Management

The oversight of materials, information, and finances as they move from supplier to manufacturer to wholesaler to retailer to consumer, aiming to streamline a business’s supply-side activities to maximize customer value and gain a competitive advantage in the marketplace.

Loss Incurred

Refers to a financial deficit that results from a business operation, transaction, or other activities.

Unsold Unit

A product unit that remains unsold after being offered to the market, representing a missed revenue opportunity.