Which of the following shows the levels of organization of living things in order from least to most complex? O Organ, organism, macromolecule, tissue
O tissue, organ, organelle, cell
O atom, molecule, macromolecule, organelle, cell
atom, cell, organelle, tissue, molecule
5 6 7 8 9

Along with the kidneys, the ureters, bladder, and urethra make up the urinary system. match each function or description to the appropriate structure.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs