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.
Biotic components are the living things that shape an ecosystem. Biotic components usually include: Producers, i.e. autotrophs: e.g. plants, convert the energy [from photosynthesis (the transfer of sunlight, water, and carbon dioxide into energy), or other sources such as hydrothermal vents] into food.