Explain why ions do not move through ion channels by only simple diffusion, whereas water does move through water channels by simple diffusion.
specifically, what, in addition to the concentration gradient, affects the movement of ions through ion channels?

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?