'Greatest ability' presentation slideshows

I am a nonliving particle I do not use energy to grow or respond to my surrounding

I am a nonliving particle I do not use energy to grow or respond to my surrounding I cannot make food, take in food, or produce wastes. I am a parasite, which means I live in my host and cause it harm. My host provides me with energy. I come in a variety of shapes and sizes I am very tiny.

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