When most people think about biodiversity in lakes and rivers, they imagine fish, plants, or perhaps birds and amphibians.
The two species of African rhinoceros are conservation icons. Large, charismatic, and vitally important for their ecosystems, to lose either species would be a devastating blow. But what of their ...
Parasites live in other host organisms and depend on them for survival. Parasites that can affect humans include ticks, lice, and hookworms. Symptoms of a parasite infection in humans can vary widely.
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