Why does winter wheat need a cold season ?

Aboy with an extra x chromosome probably has which of the following syndromes?

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?