macroevolution occurs over what, above the level of the species?
atmosphere years growth outer space stress Joules humans eras
A B C D E F G H
Geologic time lines are expressed in geologic eras and periods.
macroevolution occurs over eras above the level of the species
macroevolution occurs over what, above the level of the species? (A) atmosphere (B) years (C) growth (D) outer space (E) stress (F) Joules (G) humans (H) eras