Diamond shaped or signs alert drivers of construction zones

Orange diamond-shaped or rectangular signs alert drivers of construction zones.

Explanation:

The signs which are used to alert the drivers of any construction zone are termed as construction zone signs. They are diamond and rectangular. The color of these signs is of orange and black. These signs help the drivers to be aware of the construction zone and drive accordingly.

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next 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.