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Inca civilization located in ancient Peru.

Explanation:

The Inca civilization located in ancient Peru which was started in 1400 and ended in 1533 CE. This empire extended across western South America from Quito in the north to Santiago in the south. it is considered as the largest empire ever seen in the Americas. The people of Incas practiced a polytheistic religion, means they worship multiple gods not a single one. The Inca were great architects and construct huge buildings. They built roads throughout the empire, tunnels and suspension bridges were also built that crossed narrow mountain valleys. The profession of inca people are farming, warriors, herders, fishermen, craftsmen, weavers, sorcerers, and chosen women etc.

imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.