9) The human body contains many different types of glands; glands that secrete digestive enzymes, mucus, and sweat.
These secretions are modified, sorted, and packaged for later release from gland cells.
A)
B)
RNA core in a carbohydrate envelope. C)
nucleus surrounded by a protein coat. D)
plasmid of DNA surrounded by a capsid.
RNA or DNA core surrounded by a protein coat.

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.