Why do earths magnetic pole reverse provide evidence for plate tectonics a). rocks gradually move toward spreading centers b). rocks change magnetic orientation every time the pole reverses c). rocks lock their magnetism when they cool d). rocks have no magnetic material, so they are unaffected by reversals

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

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 was the impact of the concordat of worms?