In the United States, the three main biomes are grassland, desert and deciduous forests. The deciduous forest is found in the eastern section of the country, while the grassland or prairie region is located in the central region. The desert regions are situated in the southwest and west and include the Sonoran Desert of Arizona and the Mojave in California.Know More
A biome is a geographical region that is characterized by its temperature, climate and the animals and plant life that can live in it. The prairie region in the United States extends from the Rocky Mountains to the Mississippi River. The main type of plants are perennial grasses. At one time, large numbers of bison lived in this area.
The desert biome has a hot climate and some typical plants found there are cacti and shrubs that can survive in this dry environment. In the deciduous forest regions, there different types of trees. There also are four distinct seasons in this biome type.Learn more about Earth Science
The weather of freshwater biomes varies depending on the type of ecosystem; ponds and lakes enjoy moderate temperatures with seasonal variations, while wetlands generally exist in warmer, humid areas. Some larger bodies of water in biomes, such as lakes and large ponds, influence surrounding air temperature and moisture levels by cycling heat and heat energy into the surrounding air. Others, such as small rivers and streams, derive influence from their environments, changing in physical form and temperature depending on local conditions.Full Answer >
According to the University of California and measurements taken at the Vostok station in Antarctica, precipitation in polar ice cap biomes is extremely low. Across the continent of Antarctica, precipitation is 16.6 cm, and in the Arctic tundra, precipitation is between 15 and 25 cm per year.Full Answer >
Darwin's theory of evolution states that evolution happens by natural selection. According to the evolutionary theory, the genes that allow a species to thrive are passed down from parent to offspring. Individuals of a particular species often have a wide range of variation and this variation occurs because of a difference in genes. Any individuals that possess the characteristics that will help the species thrive and survive in a particular environment will be the ones to reproduce.Full Answer >
Naturally occurring structures include canyons such as the Grand Canyon in the United States, mountains such as Mount Everest, and even homes and nests that animals make for themselves, including beehives, ant hills, bird nests and beaver dams. Any form that stands on its own and has a definitive form that was not made by man is considered a natural structure. This is in contrast to man-made structures like buildings and bridges.Full Answer >