Obstetric sonography is a technology that allows doctors and parents to see images of a fetus as it develops in a woman’s womb. this practice is commonly referred to as an ultrasound. generally, a woman will get two or three ultrasounds during her pregnancy. which is the most likely medical reason that a doctor might require a pregnant woman to get ultrasounds more frequently?

to predict the due date
to gather pictures for an album
to prepare for special medical needs
to find out the gender of the baby

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

The cluster of developing cells from conception until birth is called an

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.