Most animal cells differentiate at an early stage
<span>The zygote will have the complete or diploid number of chromosomes, which is 46. The two ways wherein meiosis increases genetic diversity in a species are crossing over and independent assortment of homologous chromosomes. </span>
Amniota. That is the only one which has connections to both reptiles and mammals
The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being bent (refracted) by the liquid core.