Type help append for details. Appending two datasets require that both have variables with exactly the same name. If using categorical data make sure the categories on both datasets refer to exactly the same thing (i.e. 1 âAgreeâ, 2âDisagreeâ, 3 âDKâ on both).
Biotic describes a living or once living component of a community; for example organisms, such as plants and animals. Biotic may refer to: 1  Life, the condition of living organisms. 2  Biology, the study of life.  Biotic material, which is derived from living organisms.
In ecosystems, biotic factors are all living organisms and the waste that they produce. This refers to large life-forms such as trees or mammals, small life-forms such as insects and algae, and microscopic life-forms such as bacteria.