Low blood oxygen, known as hypoxemia, means that the level of oxygen in the blood has fallen below normal levels, due to one or more of many different causes. Under most circumstances, breathing room air, normal readings range from 95 to 100 percent.ow blood oxygen, known as hypoxemia, means that the level of oxygen in the blood has fallen below normal levels, due to one or more of many different causes. Under most circumstances, breathing room air, normal readings range from 95 to 100 percent.
Which biome is characterized by very low temperatures, little precipitation, and permafrost? Tundra, Which two biomes have the least amount of precipitation? Desert and tundra: A biome is identified by its particular set of abiotic factors and its ___. characteristic plant and animal communities Palm trees and shrubs around a small pool of water in the middle of a barren desert is an example of ____.
(Missouri Botanical Garden) This graph shows the average amount of rainfall of grasslands compared to other biomes. They get about 20 inches more a year than deserts, but between 40 and 60 inches less than forests. Percipitation is a very essentail abiotic point to grasslands, because of what they are made of. If it recieved anymore rain, then it would become a forest, and any less would be a dessert.