How do humans use the natural resource? in what ways is it retrieved from nature?

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a.organisms would evolve to increase variety b.natural selection would operate faster c.less food would be available d.evolution through natural selection would not occur

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

How can studying economics us make better choices about how to use scare resources