If the grass in the front yard of an abandoned
house is not cut for several years, the yard may
become overgrown with taller grasses, bushes,
and shrubs. This is an example of the process of

Ecological Succession

Explanation:

Ecological succession is a process which resulted in change within the Ecosystem due to some factors. The example above is an example of secondary succession.

There are 2 types of ecological succession:

- Primary succession

This is the type of succession that happened to a completely new habitat that never been colonized before (such as when new island is formed due to volcanic activity)

- Secondary succession

This is the type of succession that happened to a habitat that has been colonized, and the organism who colonize it creates some sort of disturbances to that environment. (human is the colonizes and cutting the grass is what considered to be the disturbance)

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

warfare was the primary means of cultural transmission in both regions.