Great for elementary and middle school as an intro to new material. Some living things take more than they give back. In this article, students read about two of the most common parasites that we may find lurking around in our body. The article also talks about symbiosis as the ability of two organisms to live with each other and help, rather than hurt, each other's ability to survive.
Vocab words: parasites, protozoa, tapeworm, symbiosis
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