Many kinds of prokaryotes and eukaryotes contain a structure outside the cell membrane called the cell wall. With only a few exceptions, all prokaryotes have thick, rigid cell walls that give them their shape. Among the eukaryotes, some protists, and all fungi and plants, have cell walls.
Answer:
The correct answer is option D. "Null hypothesis".
Explanation:
Null hypothesis is characterized by stating that there is no difference between the specified populations, which is the opposite of the alternative hypothesis that states that there is a difference between the populations. Since the hypothesis included in the question states that "There will be no difference in the number of adverse events...", it is concluded that is an example of null hypothesis.
The example of a nonpoint source of freshwater is the first option: <span>pesticide runoff from farm fields. This is one of the most common nonpoint source of poullution</span>
<span>The ratio of both groups would stay the same. Reason being the ratio in urine osmolality is divided by blood osmolality. The mice with no access to water the ratio of urine osmolality to blood osmolality are 14:7 while for mice with unlimited access to water the ratio of urine osmolality to blood osmolality is 1:4. In conclusion, the mice with no access to water produce highly concentrated urine.</span>
