As guard cells become turgid, the stomata fully open and gases and water vapor are allowed to pass through it. When the plant is full of water, the guard cells fill up to become plump and turgid, making the stomata open so gases can be exchanged for photosynthesis. When the plant is short of water the guard cells lose water and become flaccid, making the stomata close, this helps stop too much water vapor escaping.
I think the correct answer is C. Less than 10% of rain falls in a dry desert. Desert biomes are known to be the driest of all types of biomes. It receives very or almost no rainfall. Precipitation in a dry desert is about 250 mm per year.
Answer:
mitral valve
Explanation:
The mitral valve and tricuspid valve are located between the atria (upper heart chambers) and the ventricles (lower heart chambers).
