1 Place the insertion point where you want the cross-reference to appear. 2  On the Insert menu, click Cross-reference. 3  In the Reference type list, select Footnote or Endnote. 4  Select the footnote or endnote that you want to refer to, and then click Insert.ow to Create Multiple References to the Same Footnote. 1  Place the insertion point where you want the cross-reference to appear. 2  On the Insert menu, click Cross-reference. 3  In the Reference type list, select Footnote or Endnote.
â¢ Parasitism: a relationship in which one species benefits while the other is harmed. â¢ Commensalism: a relationship in which one species benefits but the other species is neither harmed nor helped. We often represent mutualism with a â+/+â because both species receive a posi - tive benefit. Commensalism is shown as a â+/0â relationship because one species
Symbiotic relationship, which is an obligate relationship, where the two species live in close proximity and at least one of the species need to contribute in order to survive. For example, parasitic fungus, that initially grows on the plant roots and depends on the plant for shelter.