Life is not always straightforward about the business of living.
, enters the eyestalks of snails, where it swells and pulsates, creating an eye-catching display of movement and color.
frameborder="0″ allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen>R. ondatraelive and grow in the bodies of their intermediate hosts, but they can only reproduce in the bodies of birds . Their ultimate aim, therefore, is increasing the likelihood that the frogs and snails will get eaten up, taking the parasites with them.
In the case of the frogs, the parasite reduces its mobility, and ability to flee. In the case of the snails, the colorful display is like a neon sign saying to birds"SNACKS THIS WAY". The larvae ofare attracted to the limb buds of their second intermediate amphibian hosts; they encyst themselves around this region, where they influence the growth of limbs.It's not always that simple though.has another trick up its sleeve, and this one is a little more difficult to figure out.
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