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Parasites aren’t very independent - in fact, they need another organism, their host, to live on or in! Resources from their host, things like nutrients, shelter and whatever else they need, allow the parasite to live and grow. Different parasites need different resources so each has its own favourite host. Parasites are always on the lookout for their perfect host but some are so tiny you can only see them with a microscope so they are easy to miss! |
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