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 ____.
Scientists divide the world into large natural areas called biomes. Desert and rainforest biomes are two that youâve probably heard of. Each biome is known for certain kinds of plants and animals. But whatâs really at the heart of a biome is its climate.00L-1040L Free Mediterranean This is one of the worldâs smallest biomes, occurring on the west coast of the Unite ... 900L-1040L Tropical Rain Forests Located in a belt around the equator, rain forests are a riot of life, with plants growing ... 900L-1040L Free Desert Lands The desert is the driest biome.