Which of these conclusions is most likely correct about the organisms whose fossils are shown in the diagram?

Geothermic gradient is the rate of increasing temperature with respect to increasing the depth in the earths interior. away from tech tonic plates boundaries, it is about 25-40 c/km (72-87 degrees f/mi) of depth near the surface in most of the world.

Cpopulation density

Answer they are produced by collision of tectonic plates;