Which Is the Best Description of the Mutual Benefit to Both

question 27

Multiple Choice

Which is the best description of the mutual benefit to both species found in a lichen?

• A) The heterotroph protects the autotroph from predation.
• B) The autotroph produces antibiotics to ward off infection by bacteria.
• C) The autotroph produces oxygen and the heterotroph consumes oxygen.
• D) The autotroph prevents dehydration and the heterotroph provides energy.
• E) The autotroph provides energy and the heterotroph prevents dehydration.

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