Which statement best compares segmented worms and roundworms? Some segmented worms have setae, but roundworms do not.
Some roundworms have setae, but segmented worms do not.
Segmented worms have sense organs, but roundworms do not.
Roundworms have sense organs, but segmented worms do not.

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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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