Final answer:
The blood osmotic pressure of the shrimp will increase as they are submerged in an environment with increasing ambient osmotic pressure, which leads to water leaving the shrimp's cells to balance the osmotic pressure. The correct option is A.
Step-by-step explanation:
When you conduct an experiment by submerging shrimp in an environment where the ambient osmotic pressure keeps increasing, the blood osmotic pressure of the shrimp will increase. This is because as the external osmotic pressure increases, it creates a hypertonic environment around the shrimp, leading to water leaving the shrimp's cells to balance the osmotic pressure. As water leaves the cells, the concentration of solutes in the blood would increase, thus increasing the blood osmotic pressure.
It's analogous to red blood cells in a hypertonic solution where water leaves the cells causing them to shrivel because the external osmotic pressure is higher than the intracellular pressure. Similarly, marine animals normally regulate their internal osmotic pressure against the hypertonic seawater to prevent dehydration. They do this by actively regulating salt and water balance, a process which is known as osmoregulation.
Osmoregulation is a critical physiological process for many organisms to maintain homeostasis in different environmental conditions. In the case of shrimp in an experiment with increasing ambient osmotic pressure, without osmoregulatory mechanisms, their blood osmotic pressure will increase as water is drawn out of their cells.
Hence, Option A is correct.