List three commonly eaten foods produced by plans or animals that provide stored energy for embryos

The examples of commonly eaten foods produced by plants or animals that provide stored energy for embryos may include hen's egg, coconut water, wheat, barley et cetera.

In plants, the endosperm is the main constituent which stores energy for developing an embryo.  

In coconut, the coconut water or coconut milk is the endosperm of the coconut.

Similarly, the endosperm of the wheat is ground into flour which is used for making bread.

The endosperm of barley is used as the main source of sugars for beer production.

In hen's egg also albumin is the energy source for developing embryo, that is, the yolk.

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