Answer:
Vacuoles regulate the turgidity by regulating the amount of water inside the cell. cell has excessive water: vacuole absorbs the water and then diffuses it out of the cell. cell lacks water: water from the vacuole gets passed back into the cell thereby maintaining turgidity
Symbiosis - mutualism as both benefit from this relationship. Fungi gets food from algae, algae gets protection from fungi.
C.
The soil in the delta is less fertile, causing fewer plants to grow.
The flooding of the Nile caused silt and nutrients to replenished in the soil every year.
The inhale and exhalation of animals as well as the photosynthesis in plants.
