Arizona State University (ASU) BIO 345 Evolution Exam 2 Practice

What is the primary benefit of Batesian mimicry for the mimic species?

Increased size Protection from predators Greater access to resources Faster reproduction

Correct Answer:

Protection from predators

Explanation:

Batesian mimicry primarily benefits the mimic species by providing protection from predators. In this form of mimicry, a palatable species (the mimic) evolves to resemble an unpalatable or toxic species (the model). Predators, having learned to associate the warning signals of the model with a negative experience (such as a bad taste or potential for harm), are less likely to attack the mimic. This protective advantage allows the mimic to survive longer and thus increases its chances of reproducing and passing on its genes. The effectiveness of this mimicry relies on the prevalence of the unpalatable model in the environment; if the model is common, predators learn to avoid both the model and the mimic, benefiting the mimic species by reducing predation risk.

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