Question 1
Macroevolution is change among
◦ groups of species.
◦ individuals of one species.
◦ individuals of several species.
◦ groups of populations.
◦ groups of individuals of several populations.
Question 2
Many of the organic compounds essential for life, such as amino acids and nucleotides, could NOT assemble spontaneously in the presence of
◦ hydrogen.
◦ free oxygen.
◦ carbon dioxide.
◦ nitrogen.
◦ argon.