The answer would be D, stage choches were developed last.
Answer:
Environmental instability may have been a factor not only in shaping adaptations but also in contributing to the extinction of some lineages. Environmental variability associated with the extinction of large mammal species has been proposed for the southern Kenya region.
Each branch of government controls a certain aspect of the other.
Legislative can restrict the policies of the executive and judicial.
Judicial can strike down legislation deemed unconstitutional, and undo executive decisions through rulings on their constitutionality.
Executive Orders can bypass legislative channels for more efficient decision making, and can nominate if not alter the Supreme Court along with taking part in it's processes. ( Some of this is my own interpretation. )
