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.
Answer:
Japan attacked the US at Pearl Harbor in an effort to eliminate the US as a threat in the Pacific. ... The day after this offensive, December 8, the United States declared war on the Empire of Japan.
Explanation:
I've had this question in my history class :))
I believe the flag should stay up because that memorializes the Civil War and the whole receding from the U.S.
It can survive in any environment because we have our own democracy.
So that they can establish a government and all form a