How to write a bibliography
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author name.

title of the publication (and the title of the article if it's a magazine or encyclopedia)

date of publication.

the place of publication of a book.

the publishing company of a book.

the volume number of a magazine or printed encyclopedia.

the page number(s)

Include above things and write your own biography

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.