| A | B |
|---|
| differentiation | the changes that take place in cells as they develop |
| growth facotrs | chemicals that stimulate the division and differentiation of new cells during growth |
| regeneration | the process of growing back lost body parts |
| asexual reproduction | reproduction in which one parent produces offspring by cell division |
| budding | a parent organism produces offspring by growing a tiny replica of itself (a bud) on some part of its body and the bud breaks off and grows independant after it has grown itself |
| bud | a tiny replica of a parent organism that grows itself on the parent |
| fragmentation | separated pieces of the parent organism that can develop into new individual |
| vegetative reproduction | when new plants grow from stems, roots, or leaves of an existing plant |
| tumors | abnormal growths that can be benign or malignant |
| benign tumors | often can be removed by surgery |
| malignant tumors | hard to remove by surgery because the cells lack the surface protein that binds the cells, so they spread freely |
| cancer | the spread of malignant cells to new locations (where they can grown new tumors) |
