Answer:
in cells the cell membrain is located in the middel but this can vary in diffrent cells Explanation:
The ductus arteriosus allows fetal blood to move from the pulmonary trunk into the aorta. The ductus venosus on the other hand is a fetal vessel that transports blood from the umbilical vein to the inferior venacava. Ductus arteriosus is a blood vessel connecting the main pulmonary artery to the proximal descending aorta. It allows most of the blood from the right ventricle to bypass the fetus's fluid-filled non-functioning lungs.
Answer:
Explanation:
1) potential because it is not "in motion"
It will rain next. The moist air has lots of gas water. And when the warm gas water meets the cool temperature in the atmosphere, it will become liquid water. And when liquid water becomes more and more, it will form rain.
Natural selection is one of the leading theories in the Theory of Evolution, because it’s supported by evidence from a variety of scientific disciplines, including paleontology, geology, genetics and developmental biology.
