Which part of the sphenoid bone houses the pituitary gland? which part of the sphenoid bone houses the pituitary gland? the lesser wings the "seat" of the sella turcica the cribriform plate the foramen ovale?

The answer is the sella turnica. It is a saddle - shaped depression in the body found in the sphenoid bone of the human skull that contains the pituitary gland. And this is also found in other skulls of hominids like chimpanzees, orangutans, and gorillas. 

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.

the correct answer is d