The environment and the inside of the cell will have the same concentration. If the cell is placed in a solution of a less sucrose solution, the water will get into the cell making it bigger in size. The movement of the water is from a portion of lower concentration to a portion of higher sucrose concentration.
Both starch in plants and fat cells in animals serve as a store of energy. However, fats in animals are generally stored in fat cells (forming the adipose tissue) while starch in plants is stored in the chloroplasts. Also, fats and starch are 2 totally different compounds with different chemical compositions and structures (I won't elaborate on the types of fats and starches in this thread though).
Bone marrow is the spongy, fatty tissue inside your bones. It creates the following parts of the blood: red blood cells, which carry oxygen and nutrients throughout the body. white blood cells, which fight infection. platelets, which are responsible for the formation of clots.
So, the answer is C: Red and White Blood Cells!!
Hope that helped!! :)