| A | B |
|---|
| cell | contains all the materials necessary for life |
| stimulus | effects the activity of an organism, organ, or tissue |
| homeostasis | maintenance of a stable internal environment |
| asexual reproduction | single parent produces offspring genetically identical to parent |
| sexual reproduction | two sex cells join to form offspring with characteristics of both parents |
| DNA | hereditary material that controls all cell activities |
| heredity | passing of traits from parent to offspring |
| metabolism | combined chemical processes in a cell or living organism |
| producer | organisms that make their own food |
| consumer | organisms that eat other organisms for energy |
| decomposer | organisms that break down the remains of dead organisms and animal waste for energy |
| proteins | large molecules made of subunits called amino acids |
| carbohydrates | made of sugars, used for energy and energy storage |
| lipids | cannot mix with water, some store energy |
| phospholipids | molecules that form much of the cell membrane |
| nucleic acids | contain all the information to make proteins |
| ATP | provides energy for the cell's activities |
| water | Makes up 70% of your body. Used in chemical reactions. |
