How are human mitochondria inherited? see concept 15.5 (page 311) view available hint(s) how are human mitochondria inherited? see concept 15.5 (page 311) as an x-linked trait without dna from the father only as linear dna from the mother only

from the mother only

Explanation:

Maternal inheritance is exhibited by certain organelles such as chloroplasts and mitochondria. Mitochondria are the cytoplasmic organelles present in the eukaryotic cells. Mitochondria exhibit maternal inheritance in humans which means that the egg cells contribute the mitochondria to the zygote. The male gametes, sperms do not contribute mitochondria to the zygote. Therefore, any mutation in the mitochondrial DNA of the egg cell is transmitted to the progeny but the mitochondrial genome of sperms and any mutations in it are not carried to the progeny.

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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.