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 ____.
Biology Nam Name N Biome Crossword Puzzle Name:_____ Across 2. this determines the biome of an area 4. this biome is dominated by coniferous trees, has cold winters and mild summers 8. this biome is dominated by vertical stratification of plants and LOTs of rainfall 10. organisms that eat plants 11. dominant herbivores in the savanna 12. biome with bitterly cold temperatures and little rainfall Down 1. areas like the western plains of the US that experience seasonal drought, occasional fires, and all four seasons. 2. biome characterized by dense, spiny evergreens and periodic fires 3. West Michigan can be found in this biome 5. biome that receives the least amount of annual rainfall 6. trees that lose their leaves every year 7. soil found in the tundra that never defrosts