As an anthropometric term, is a straight line, point-to-point horizontal measurement running fore-aft the body.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

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.

it should be briana that has it to me