What is happening to the number of the cells through each phase from zygote to morula to blastocyte? A. they decrease in number
B. they stay the same
C. they increase in number
D. they increase and decrease
HEL

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated