What is a vertical section through the body, dividing it into left and right, called? what is a vertical section through the body, dividing it into left and right, called? regional sagittal transverse frontal?

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

What is the identity of the planets?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.