If a 24 hour clock was made to model the major events of the evolution of life on Earth, humans would appear:

W) Close to the beginning of the 24 hour period

X) About 12 hours through the 24 hour period

Y) About 2 hours before the 24 hours were up

Z) Less than a minute before the 24 hours were up
Z) LESS THAN A MINUTE BEFORE THE 24 HOURS WERE UP