| a skin surface that is unusually sensitive
to pressure, temperature, and pain because there are high concentrations
of nerve endings immediately below these areas. |
 |
| the naming, describing, and classification of organisms
into different categories according to their characteristics. The biological
sciences primarily use the Linnaean classification system for this purpose.
|
| referring to animals that spend most of their time on
the ground rather than in the air, water, or trees. See arboreal and semi-terrestrial. |