The answer is A. Xylem is for water, phloem is for sugar and water (which is the food).
Answer:
The blood flow in aorta causes the decrease in diasystolic blood pressure in the aorta.As a result pulse pressure gets increased.As some of the blood that ejects during the systole regularities go back into the left ventricle during the diasystole period. So,it is easier to detect the pulses far from the aorta.
Answer:
heterozygous
Explanation:
If an individual inherits two different alleles, their genotype is classed as heterozygous for that locus.
Energy.
In cells, ATP is a source of energy. ATP stands for Adenosine Triphosphate which is present in every cell’s cytoplasm and nucleoplasm which is essential in all the physiological mechanisms. It is considered as the energy currency of life or the “molecular unit of currency”. It stores the energy that we need every day to do our daily undertakings. The primary function of ATP is to transport chemical energy within the body cells for metabolism. It is said that 1 moleculte of ATP is composed of 3 phosphate groups.<span> </span>
D. As time progressed and different fossils from different time periods become fossilized, they show how their species evolved and changed over time.