Question

3. About two-thirds of human caloric intake consists of wheat, rice, and corn. What tissues constitute the majority of the nutritional content of these plant-based foods? O fruits and cones O starch granules and sporopollenin O endosperm and female gametophytes seed embryos and ovules

Answer 1

Answer 3)

endosperm and female gametophyte.

Because the corn, wheat rice has large portion of endosperm in the seed. The endosperm is not consumed during the development of embryo. That's why it is eaten. The endosperm have large content of strach and protein. The female gametophyte is also eaten.