Que diferencia a los tres tipos de microtubulos estables que aparecen durante la mitosis

The mitotic microtubules (MTs) are classified into three major types: kinetochore, interpolar and astral mitotic microtubules (MTs). The MTs play a critical function: they attach to chromosomes by the kinetochores.

The kinetochore is the most stable type of these MTs, while astral and interpolar appear to be more labile. In regard to their differences, it is also important to have into consideration their localization: kinetochores are anchored to the kinetochore, astral are extended from the cell cortex, while interpolar MTs are arranged from the opposite sides in the mitotic spindle.

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.