True.
It has been studied in a research study that claims birds have the ability and capability to regenerate their hair cells. This regeneration happens when the hair cells die but come back to its original form despite the damage it might have faced. Further, they can also regrow their hair cells in their ears.
Answer:
Liquid and with a higher osmotic pressure
Explanation:
Remember that a cell that is surrounded by an environment with a higher osmotic pressure, will produce that the cell get some water outside to make some dilution to the salt concentration that surrounds the protozoan.
Fish because it is full of healthy oils. But depends on the kind of fish. I know salmon is rich in omega 3 fa