Plant populations change over time by growing in size and diversity. They generally are the first part of an ecosystem after lichens (the pioneer species) and cause an ecosystem to flourish and allow for animals to move in. I don't know if this is the answer you were looking for but it should give you somewhat of a base.
The Holy Roman Empire was completely destroyed.
Answer:
China
Explanation:
The Chinese were the first country credited with the written record of a supernova in 185 BC.
Also, in 1054 AD, they also recorded the observation of a guest star in the sky that was visible during the day for an entire month which turned out to be a supernova.
Concerned about the Catholic minority in Maryland, Leonard Calvert ordered the Second Lord Baltimore to <span> c. make a law requiring Catholics to practice their faith quietly and privately.</span>