Answer:
3rd or 4th one
I don't know the exact sry
Answer:
A I'm doing it on edge now
Explanation:
Although most of these organisms are motile (moving), they cannot swim or move against currents, but they can move vertically in the water column. Many marine plankton are found in the deep waters of the outer ocean, or pelagic waters, whereas others are found in the shallow waters known as the neritic zone.
Answer:
The internal membrane system is made up of different membranes and organelles present in the cytoplasm within eukaryotic cells. These membranes and organelles functions together to change, assemble, and convey proteins and lipids in the cell. They include the nuclear membrane, lysosomes, endoplasmic reticulum, Golgi apparatus, and vesicle. These structures also distinguish a eukaryotic cell from a prokaryotic cell as they cannot be found in prokaryotic cell.
Explanation:
Some cells are more active than others and also more available-to-promise (ATP). Muscles, especially the cardiac muscle cells work continuously, so they have a large number of mitochondria since the need more energy.
The answer would be the second option. The best reason for doing more background research after making an observation and before forming a hypothesis is to prevent making the same mistakes made in a prior experiment. It is to make sure that you are able to see the problems of a research and make an experimental design that will minimize the errors.