they don't transport molecules
Answer:
The correct answer is : artificial selection.
Explanation:
Selective breeding is also known as the artificial selection as there is the selecting agent is human instead of nature or environment and the characteristics are desired or selective instead of advantageous.
In this process the selective agent that is humans selects the desired characters or traits by choosing in a particular animal or plants that might produce sexually and have offspring with desired character.
Thus, the correct answer is : artificial selection.
Answer:
The correct option is B. aldosterone
Explanation:
In organisms the most important electrolytes from the point of view of their concentration, therefore, of their osmotic effect, are the sodium and potassium ions. Aldosterone is a hormone produced by the adrenal glands, it helps to control blood pressure and it maintains healthy levels of sodium and potassium in the blood, preserving the balance of body fluids and allowing nerves and muscles to function well. The renin hormone, produced by the kidneys, normally stimulates the adrenal glands to release aldosterone.