The way to study changes among organisms through time beyond Darwin's theory of Evolution is to consider the scales at which it happens. Compare microevolution and macroevolution.

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

What materials must dams have to produce electricity, and what must occur?