Question 1
In various experiments that recreated conditions on the early Earth, molecules such as amino acids, glucose and ribose were produced from
◦ clay.
◦ ether.
◦ formaldehyde.
◦ alcohols.
◦ ATP.
Question 2
Incompatibilities between the developing embryo and the maternal organism that cause the embryo to abort spontaneously may prevent individuals of different populations from producing fertile offspring. Such differences may be an example of
◦ isolating mechanisms.
◦ allele frequencies.
◦ mutations.
◦ founder effects.
◦ gene flow.