If your digital multimeter offers a frequency setting (Hz is the symbol) on the dial: 1  Turn the dial to Hz. 2  First insert the black test lead into the COM jack. 3  Then insert the red lead into the V Ï jack. 4  Connect the black test lead first, the red test lead second.  Read the measurement in the display.
Both systems divided living things into 2 main groups, animal and plants, but aristotses system had 3 sublevels and Linnaeus's had 6. Aristotle divided by habitat and stems and Linnaeus divided by morphology.
Carl Linnaeus. (1707-1778), Swedish physician and botanist, was the founder of modern taxonomy. He used his super-smart Homo sapiens brain to come up with a system called binomial nomenclature used for naming living things and grouping similar organisms into categories.