Is the ear of grain the same as the ear of wheat?

It's different. According to relevant public information, ears of grain and ears of wheat are different. Ear of grain is one of the important crops of Gramineae, also known as millet. The ear of wheat is a monocotyledonous, Gramineae, annual or biennial herb. Ears of grain and ears of wheat are divided into winter and spring according to sowing date. Seeds are mainly made of flour, skins can be used as feed, and stems can be used for textile.