Diffusion is the movement of molecules (gas, minerals and particles) from an area of higher concentration to an area of lower concentration. Diffusion is an important process that occurs within the cells of plants and animals. One example of diffusion is the exchange of oxygen and carbon dioxide during respiration. […]

Ocean Systems According to the law of conservation of energy, energy cannot be created or destroyed, but it can change from one form to another 1. A boy doing a cannonball into the pool. He went from potential to kinetic energy, where did his kinetic energy go? 2. A plant […]

1. Describe how light entering the eye is regulated and focused on the retina. Describe the response of rods and come to different colors of light. 2. Explain the nature of afterimages that are seen after looking at abright light. Why are afterimages a different color than the actualimages? 3. […]

1. Eplain why the membrane potential between the axon hillock and axon either changed or did not change with subthreshold stimulus. Differences of 1.0 mV or less are not significant. 2. explain why the membrane potential between the axon hillock and axon either changed or did not change with threshold stimulus. Differences […]