PLEASE HELP
What is the function of the structure labeled X?

Moves water from root to the rest of the plants.

Explanation:

The structure labeled X is xylem.

Xylem is a vascular tissue found in vascular plants that is responsible for transporting water from the roots to other parts of the plant. It also provide mechanical support and storage.Moves water from root to the rest of the plants.

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.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds