Assertion : They form mutualistic, commensalistic, or parasitic relationships.
Reason : Heterotrophs may not be free living or symbiotic.

Options

A. If both the assertion and reason are true statement and reason is correct explanation of the assertion .
B. If both the assertion and reason are true statement but reason is not a correct explanation of the assertion .
C. If the assertion is true but the reason is a false statement.
D. If both assertion and reason are false statements.

Answer

C

Explanation

Heterotrophs may be free-living or symbiotic , meaning that they form mutualistic, commensalistic or parasitic relationships.