This water bear clings to tiny moss.


Wordwise


bacteria: single-celled, microscopic living things that can either be useful or harmful to the body


cell: the smallest and most basic part of a plant or animal


host: an organism that harbors or nourishes another organism


microbe: a tiny living organism organism: a living plant or animal


parasite: a plant or animal that lives in or on a different kind of plant or animal and gets its food from that plant or animal


MAY 2013 23


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