What is the overall trend in the mass of ice on antarctica

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

Some substances but not other can cross the (blank) membrane of a cell

The word belongs in a different group than all of the other words in the list.