What is the vegetative free living form of a protozoan cell?

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.