Lamprey and hagfish are jawless fish, with skeletons composed of cartilage. They do not have scales and are considered primitive fish. They are in the superclass cyclosystoma.
Well, each year there are more factories and cars producing more CO2 which increases the warming we have
<span>The pressure in a plant cell by the central vacuole being filled with water is called pressure</span>
<span>Proximal Convoluted Tubule is the portion of the duct system of the nephron where the solute reabsorption occurs and the tubule is limited to renal cortex. This duct system is slightly a complex structure with proximal convoluted tubule which is segmented into two segments as S1 and S2.</span>
