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.
CAROLUS LINNAEUS 1  -. 18th century. 2  Swedish scientist. 3  classified plants and animals according to similarities in form. 4  divided living things into one of two kingdoms -. 5  plant and animal kingdoms. 6  divided each of the kingdoms into smaller groups called genera (plural of genus).