Can anyone answer this plz... The ball of cells formed by repeated division of the zygote..

Which best describes carbon dioxide’s path out of the body

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%