Glia, also called glial cells (gliocytes) or neuroglia, are non-neuronal cells in the central nervous system (brain and spinal cord) and the peripheral nervous system that do not produce electrical impulses.
when one of the links in the food chain is no longer present the food chain breaks.sometime this can cause other animals in the food chain to disapper as well and the whole ecosystem can beome in balance or even colapse
