How can you demonstrate the effect of gravity on plant?

the dark variety, as they are not visible on the dark tree barks

explanation:

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.