it is light and sometimes in the middle
Geographic isolation
The Chinese river dolphin is an extinct species - A living individual cannot be found in this species anywhere in the world.
the soil is rich for farming, and transportation is easy using the river.
No, there are no freshwater dolphins in the Colorado River. The term "river dolphin" typically refers to species found in other rivers, such as the Amazon River dolphin or the Ganges River dolphin. The Colorado River is home to various fish and wildlife, but it does not support dolphin populations.
Dutch sailor Willem de Vlamingh named the Swan River after the huge populations of black swans which he saw there when he explored the area in 1697.
Dutch sailor Willem de Vlamingh named the Swan River after the huge populations of black swans which he saw there when he explored the area in 1697.
This is false. Dutch sailor Willem de Vlamingh named the Swan River after the huge populations of black swans which he saw there when he explored the area in 1697.
Mostly water; that is why most populations originated in river valleys and along the coast.
Can't answer this question. It is not a question. It needs to be rephrased.
There are no documented alligator populations near Savannah, Tennessee. However, there are breeding populations farther upriver in the Wheeler Lake section of the Tennessee River in northern Alabama, and in Shelby, Tipton, Haywood, and Fayette counties in southwestern Tennessee.
disruptive selection
A river that never dries up is known as a perennial river. These rivers flow continuously throughout the year, regardless of the season or weather conditions. They are important sources of water for ecosystems, agriculture, and human populations.