I believe that they’re norepinephrine (NE), and the acetylcholine (Ach). Hope this helps!
Answer:
In water stres stomata open less frequently to restrict transpiration and conserve water.
Explanation:
In response to a water deficit stress, water transport systems across membranes function to control turgor pressure changes in guard cells and stimulate stomatal closure.
No. Cells die by the THOUSANDS every day, but are replaced with new ones.
The other name for unicellular organisms that dominated Earth up to the Precambrian time is called D. prokaryotes. Eukaryotes are different from prokaryotes such that prokaryotes are unicellular while eukaryotes are multicellular
