10. life science explores how living things interact with the earth the structure of atoms and molecules humans and their cultures the nature of the earth and space

Resperation is a way to release carbon back into the atmosphere

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.

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?