Natural selection is the process by which some organisms are better adapted than others and survive and reproduce more successfully
I believe the answer is C. the need to acquire energy from other organisms
This is however an educated guess, but I hope this helps! :)
Answer:
the thumbs
Explanation:
A fully opposable thumb gives the human hand its unique power grip (left) and precision grip (right).
In late Paleozoic and much of the Mesozoic era the region was affected by a series of orogenies (mountain-building events) that deformed western North America and caused a great deal of uplift. Eruptions from volcanic mountain ranges to the west buried vast regions beneath ashy debris.
