Answer:
Its A . serve as a food source for other organisms .
Explanation:
<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>e</em><em>l</em><em>p</em><em>s</em><em> </em>
Large central vacuoles, chloroplasts, and cell walls are only found in plant cells.
Large central vacuoles store nutrients and waste products, but they also maintain the plants' structures.
Cell walls also maintain structure and rigidity.
Chloroplasts are used in the process of photosynthesis, which only occurs in plants.
<span>Living organisms that are able to make their own food are _____. The short answer is Producers. Producers create their own food, they rely on this for nutrition. There are different types of organisms in the biosphere. There are those who are responsible in making their own food.</span>
