The Relationship Between the Fungi and Algae in Lichens Is

question 37

Multiple Choice

The relationship between the fungi and algae in lichens is best described as

• A)a mutually beneficial relationship between normally free-living strains.
• B)a complete mixing of the genomes of the two groups at the cellular level.
• C)an endosymbiotic transfer of the chloroplasts of algae to the hyphae cells.
• D)a possible controlled parasitism wherein the fungi withdraw food from the algae and the algae can grow better alone.
• E)a possible controlled parasitism wherein the algae are moistened and protected by the fungi but the fungi can grow better alone.

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Definitions:

Genetic Variation

The diversity in gene frequencies within a species, which contributes to differences among individuals, including susceptibility to diseases, and physical and psychological characteristics.

Classificatory Schemes

Systems or methods used for organizing, categorizing, or grouping entities based on certain criteria or characteristics.

Physical Differences

Variations in bodily attributes among individuals or groups, often incorrectly used as a basis for discriminatory practices.

National Boundaries

Imaginary or physical lines that define the territorial limits of a state, country, or nation.