In Wyoming, the alpine tundra above the timberline is dominated by a variety of grasses and hibiscus plants herbs, shrubs, or small treessome that are also found in the Arctic tundra. The shrub layer has the most plant growth. Over the next thirty years, the nation's population will grow, and these newcomers will need a place to live, work, and play.
Biomes are defined as the world's major communities, classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment.
The northern coniferous forest is found in a broad sub arctic band across Alaska, Canada, Scandinavia, Russia, and China, where the winters are long and cold.
The tank's capacity ranges from half a pint to 12 gallons or more. Examples include forests of Douglas fir, giant sequoia, and coastal redwoods.
So as you can see, some pollution comes from man made wastes, chemical wastes, garbage waste, but also naturally occurring.
During the shorter days and cooler weather of autumn, green chlorophyll in the leaves begins to decompose, revealing brilliant oranges, yellows, and reds. Dinerstein