The correct layer is "<span>there is an additional third oblique layer of smooth muscle".
The muscularis externa of the stomach is purely smooth muscle (no skeletal muscles or other striated muscles) composed of three layers; inner oblique, middle circular, and external longitudinal layers. Plicae circularis can only be found in the intestines, not in the stomach.</span>
The answer is phagocytosis which is also known as cell eating. It is a process by which the living cells which are called phagocytes would ingest other cells. It might be an amoeba or a white blood cell. Hope this would help.
B. Salmonella
Isotonic solutions will have the same or a very similar concentration when compared to the cell or microbe within it. Based on the chart above, Salmonella has a salt concentration as a percentage of volume of 0.9. If the salt concentration of a solution is 1% then 0.9 is the closest compared to the others. Paramecium will be hypotonic while Amoeba and Plankton would be hypertonic in this solution.
We need the multiple choices for this question.
A multicellular organism develops from a single cell.
