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?

seed embryos and ovules
starch granules and sporopollenin
endosperm and female gametophytes
fruits and cones

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material