New cells are produced by division of existing cells.
All organisms are composed of more than one cell.
Cells must contain a nucleus.
Not all cells are alive.
The catalyzed reaction is releasing a product.
The active sites are restructuring the enzyme.
The enzyme is creating bonds between the substrates.
The substrates are beginning to separate from each other.
Regulate what goes in/out of a cell
Passive and active transport.
Exocytosis and endocytosis.
Diffusion and vesicle transport.
Phagocytosis and passive transport.
The original species became extinct.
Species in the older community died from old age.
The abiotic characteristics of the habitat changed.
Diseases that killed the older organisms disappeared.
Signs of decomposing