1 There are some 1,250 known species, and many of these animals are indeed shaped like soft-bodied cucumbers. 2  All sea cucumbers are ocean dwellers, though some inhabit the shallows and others live in the deep ocean. 3  They live on or near the ocean floorâsometimes partially buried beneath it.
MassTransfer is a collaboration between the Commonwealth's community colleges, state universities and the University of Massachusetts. System-wide resources and policies allow for students to transfer seamlessly, stay on track and minimize the time it takes to earn a bachelorâs degree.
The usual symbol for mass is m and its SI unit is the kilogram. While the mass is normally considered to be an unchanging property of an object, at speeds approaching the speed of light one must consider the increase in the relativistic mass.