It's called hypoxemia, it's low levels of oxygen in the blood, to be more specific, it's oxygen loss in your blood from your arteries. It can cause respiratory disorders, and tissue hypoxia, as a result of the blood not providing much oxygen to your body.
I hope I helped :)
The stimuli plants respond to will be found in the environment. Example....plants grow towars the sun.
Death rate is lower than birth rate, and immigration equals emigration would lead to an increasing population.
Option D is the correct answer
Answer:
The tissues of a leaf needs to have the ability to resist changes in their natural environment so that they can survive
