Which of the following statements about mutualisms is FALSE?
a. Over time, the two partners involved in a mutualism may become increasingly interdependent.
b. Mutualisms are subject to natural selection.
c. Individuals involved in a mutualism pay some costs associated with that mutualism.
d. The partners in a mutualism are trying to help each other out.
e. In a mutualism, both partners benefit from the interaction.