The geosphere supplies all the raw materials that all living things use to build their bodies. The sun supplies the energy directly or indirectly.. (There are some exceptions, some life forms have been found in deep sea vents and produce their energy chemically. And microorganism have been found at great depths in drill holes recently, little is known about them.)
Answer:
provides food for embryo
Explanation:
The structure marked with an X in the figure below is called a stored nutrient reserve.
The seeds are basically formed by an integument (outer part, a stored reserve and the embryo (it is in the center of the seed), the embryo is the main creator of a new plant, for that, it needs a high load of nutrients that is provided by the nutrient reserve. In addition, the stored nutrient reserve protects the embryo from external factors such as solar radiation and freezing.
