Answer:
any external change in their environment that causes one phenotype to have an advantage over the other
Explanation:
There are a few possible answers here. A good example might be if the grass they live in turns brown after a long drought, leaving the green grasshoppers more visible to predators than brown ones.
Answer:
D. A and B
Explanation:
The kidneys balance the pH by removing dietary acids from the blood thus making it more alkaline. If the urine is more acidic that means that the kidneys have regulated the reabsorption of carbonic acid in the tubule.
The kidneys produce a hormone called aldosterone that helps the body regulate blood pressure. Since they filter blood from the arteries damaging the said arteries will lead to kidney damage so to stay intact the kidneys help regulate the blood pressure that damages the arteries
<span>When humanism spread and affected literature, authors and dramatists began writing about </span>a person's worth as a person, his right to freedom, happiness, development and expression of their abilities.
The correct answer to this open question is the following.
You did not provide any excerpt, text, reference, or context to answer this question. That makes it difficult to exactly what you are referring to.
However, trying to help you and doing some research we can say the following.
One historical event or development in the period 1830 to 1860 that is not explicitly mentioned that could be used to support Hahn’s interpretation is how the United States became the engine of the ecom¿nomy of the planet because of its industrial capacity. How the Gross Domestic Product grew and the many opportunities the US offered to immigrants to work in major industries such as the Standard Oil Company of John F. Rockefeller, or the Steel company of Andrew Carnegie.
Innovations and the use of technology helped industries to earn more profits and invest that money in the creation of jobs and the spread of their operations nationwide.