The lithosphere is a rigid layer made of earth's entire crust and the very top part of earth's mantle. this rigid layer is divided into several large pieces, or plates. the lithospheric plates float on top of the which is a weak part of the mantle that flows slowly..

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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.

Use the distance formula to determine weather each pair of segments have the same length