Ecosystems need producers because they are the start of the food chain.
Producers are consumed by first consumers, the second consumers and so on.
Answer is Nucleic Acid
Reasoning - Because phosphate, sugar, nitrogenous make up the Acid !!! lol RNA is synthesis of protein. DNA is the control of genetics which is obvious.
Answer:
Gap Junctions.
Explanation:
Gap junctions are intercellular channels that allows the cell transfer of molecules, ions and electric impulses.
They are connected through the protein channel and are found in many parts of vertebrate and invertebrate nervous systems.
Its most important function is to control the activities of adjacent cells.
