The "Unsuccessful Mutualists" in Kathleen Keeler's Cost-Benefit Model of Mutualism

question 22

Multiple Choice

The "unsuccessful mutualists" in Kathleen Keeler's cost-benefit model of mutualism are those that

• A) give benefits to their partner, but fail to receive benefits in return.
• B) receive benefits from their partner, but fail to provide benefits in return.
• C) neither give benefits to their partner, nor receive them in return.
• D) fail to locate individuals of their mutualistic partner effectively.
• E) locate mutualistic partners, but fail to overcome their defenses against colonization.