Question: Using the examples from the lecture, explain the professor's main point about the two types of mimicry and how each benefits the species that uses it.
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Today, we're going to talk about a fascinating concept in biology called 'mimicry.' Mimicry occurs when one species evolves to resemble another species, often to gain a survival advantage. There are two main types: defensive mimicry and aggressive mimicry. Let me give you an example of each. First, defensive mimicry is when a harmless species mimics a dangerous or unpalatable one to avoid predators. For instance, the viceroy butterfly looks almost identical to the monarch butterfly, which is toxic to birds. Because birds have learned to avoid monarchs, they also avoid viceroys, giving the viceroy protection. Second, aggressive mimicry is when a predator mimics a harmless or attractive species to lure its prey. A classic example is the anglerfish. It has a fleshy growth on its head that looks like a small worm. When smaller fish approach to eat the 'worm,' the anglerfish snaps them up. So, mimicry can be a powerful tool, whether for hiding from enemies or for ambushing prey.