Which of the following is passive transport and describes the movement of water across a selectively permeable membrane from an area of high concentration to and area of low concentration?

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?