1) which is bacteria not? a) rod-shaped b) single-celled c) nucleus-lacking d) a microorganism e) multi-celled f) spherical 2) which is not a virus? a) measles b) mold c) covid-19 d) chicken pox e) influenza f) none of the above 3) algae can be brown. a) false b) true 4) what do fungi never have? a) yeast b) soil c) nucleus d) chlorophyll e) darkness f) stem 5) protozoa have a cell wall. a) false b) true

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