How are fossil organisms usually shown on an evolutionary tree?
A. as an endpoint on the right side of the diagram
B. as a common ancestor of organisms that are currently alive
C. as an "offshoot" from a line leading to an organism that is currently alive D. as a place where the lines going back from two organisms that are currently alive meet

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.