16. Develop an argument that explains how an organism is made up interacting body systems, which are all made up of cells. In your argument, explain how each level of
organization is made up of a system of interacting parts.

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer