Which of the following is a true statement about osmosis? Question 19 options: Osmosis is diffusion of sugar molecules across a membrane. Osmosis is diffusion of water molecules across a membrane. Osmosis is diffusion in plants cells. Osmosis is diffusion in animal cells.

What percentage of light hits earth's surface directly?

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations

How energy move through ecosystem ?