Found This Helpful. There is a difference between biomes and ecosystems. A biome is a large region of the world that has similar plants, animals and other organisms that are adapted to the terrain and weather of that region.pecies that live in these border areas can cross between two biomes and can have a dual role to play in each biome. Several ecosystems, which are smaller than biomes, can exist within a biome and many species can exist within different ecosystems. Biomes occur naturally but artificial biomes can be created by humans.
has been the largest and most enduring civilization in human history. Civilization first developed in the Indus River valley in present-day Pakistan. in the middle of the 3d millennium B.C., more than a thousand years earlier. than it did in China. In fact, the civilization of the Indus valley, usually. called Harappan after its chief city, rivals Sumer and Egypt as humanity's.
Overview and Timeline. The civilization of Ancient Egypt was one of the earliest in world history. It is usually held to have begun around 3000 BC, when the lower Nile Valley became unified under a single ruler.s can be seen, as well as being one of the earliest, Ancient Egypt was one of the longest lasting civilizations in world history. The great days of Ancient Egypt fell between c. 3000 BC and c. 1000 BC, but the civilization remained very much a going concern for centuries after this.