What kinds of particles must diffuse through a membrane via passive transport, or facilitated diffusion?

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

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

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics