which terms best complete the chart about characteristics of human development between fertilization and birth? a. 1) facial fea
tures form, 2) heartbeat can be heard, 3) nerve cells develop rapidly, b. 1) heartbeat can be heard, 2) nerve cells develop rapidly, 3) facial features form, c. 1) nerve cells develop rapidly, 2) facial features form, 3) heartbeat can be heard, d. 1) facial features form, 2) nerve cells develop rapidly, 3) heartbeat can be heard