Calculați cantitatea de apă din plasma unei persoane care cântărește 75 kg, știind următoarele: - Volumul de sânge reprezintă 8 % din masa corpului; - Plasma reprezintă 55 % din volumul sângelui; - Apa reprezintă 90 % din volumul plasmei. Scrieți toate etapele parcurse pentru rezolvarea cerinței.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.