Answer:
<em>The correct option is A. X, because organism X has the same role as the grasshopper</em>
Explanation:
In a food chain or a food web, a primary producer can be described as an organism which feeds on producers. The producers, in this case, are the corn stalks. Grasshoppers are primary consumers in this food web because they feed on the corn stalks. X is also a primary producer, just like grasshopper, because it feeds on the corn stalks which are the producers. Hence, option A is correct.
Answer:
the cell would lack genetic material
The answer is carbonic acid-bicarbonate buffer. This buffer system is regulated by the lungs and kidneys due to the regulation of CO2 and bicarbonate ions respectively. It is formed by the dissolving of carbon dioxide from the tissue into the blood plasma. A weak acid-base conjugate is a good buffer due to its partial dissociation in water.