In part of the model, materials move out of the bag and into the water. Which of the following cell processes does this best model?
A. Substances move from an area of low concentration to an area of
high concentration.
B. Small molecules easily pass between the phospholipids in the cell
membrane.
C. Transport proteins use energy to push large molecules across the
cell membrane.
O D. A vacuole opens to release substances into the area outside the
cell.
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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.

true is the

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.