The news is reporting a mysterious sighting along the wooded trail at Phototaxis Park. Five young cells describe a large cell with short hair-like bristles all over the cell body. One cell stated it looked a lot like a hairy monster! Which adaptation is the most likely suspect?

Waste water from industries and domestic sources can be treated by chlorination or ultraviolet radiation. there are pros and cons to using either chlorine or uv radiation to kill harmful microorganisms. what is one reason chlorination would be preferred over ultraviolet radiation? a) chlorine only eliminates visible impurities and is ineffective against microorganisms. b) chlorine not only kills bacteria but provides a residual effect on returning microorganisms. c) uv radiation can be used only to treat drinking water and is ineffective in treating waste water. d) ultraviolet radiation is more effective