Pragma <span>is not one of rusbult and colleagues' (1986, 1987, 1998) three ways of coping with a failing relationship. </span>Pragma<span> is a pragmatic, practical, mutually beneficial relationship. The EVLN framework was developed by rustbult and her colleagues for personal love and marriage relationships.</span>
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