questions

With the help of your book and the copies given in class answer the following Questions about the interchange of substances:

1.- Define diffusion with 4 different characteristics

2.- What are the adaptations that living organisms have to speed up diffusion?

3.- Write down 5 life processes that depend on diffusion (2 life processes for animals and 3 for plants).

4.- Define osmosis

5.- a) What would happen if a cell is placed in a solution of lower water potential? b) What would happen if a cell is placed in a solution of higher water potential?

6.- Define active transport with 4 different characteristics

7.- Define endocytosis and exocytosis