Do all rocks contain fossils describe the tins necessary for fossils to form

Several different physical and chemical processes create fossils, according to ... a detailed carbon impression of the dead organism in sedimentary rock. The most common method of fossilization is called permineralization, or petrification. ... Fossil analyses have shown, for instance, that some retain organic

Explanation:

the answer to your question is b

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.