9. Which type of molecule (small or large) has an easier time diffusing in/out of the cell membrane?

Depending on the organism the number of in a cell may change

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

Which units ate used to measure both velocity and speed? check all that apply