Which statements represents an exception to the cell theory? A. Mitochondria and chloroplasts contain genetic material and can replicate. B. The specialization of cells enables an organism to function C. Cells arise from pre-exising cells by the process of mitotic cell division D. All plants and animals are composed of cells

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?

What part of the body contains bile, an enzyme that break down lipids?

What do you think scientists face when classifying new organisms?