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:
B. It guarantees that separate branches of government have similar powers. Each branch controls its own policies and has its own regulations, but each branch have the power to keep the other two in check. It's a system know as Checks and Balances.
Explanation:
<span>Answer:
The Romans had a republican government. The people elected most of their leaders and government officials, and those people chose the rest. They contributed to democratic principles by making laws that gave people the responsibility to vote, follow laws, do jury duty, pay taxes, elect senators, have the courts punish all people the same way, and allow people in the government to have equal power and to veto others' ideas.</span>
I believe the answer is "C".
It was made in 1871 by a pie maker
