Summarize the relationship among fossils, rock layers, and the divisions of the geological time scale.

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone