<span> c)atp has three phosphate groups, while adp has two phosphate groups. </span>
They add nitrogen to the soul through their nodules !
Water molecules are polar with the oxygen side being, slightly negative and the hydrogen side being slightly positive.
We may lead to a presupposition that the researcher based its analysis on the environmental habitats of the organisms, moreover it can also be the almost identical but different morphological or physiological structures. There are many ways to classify an animal or base an animal, morphology, embryology, DNA and others.