What is an example of hybridization that would increase hybrid vigor

Answer and Explanation:

Hybridization results when varieties of organisms with different characteristics are crossed. The resulting offspring often show characteristics which are superior to either of the parents and are said to possess hybrid vigour. Artificial breeding is done either by inbreeding or cross breeding. Plant and animal breeding involves selectively choosing and breeding those plants and animals with desirable qualities.

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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.