| A | B |
| DIFFUSION | The natural movement of substances until everything is evenly distributed. |
| OSMOSIS | Movement of water across a membrane. |
| ACTIVE TRANSPORT | The cell uses energy to bring in extra concentrations of a material. |
| BODY CELL | Any cell of any organ other than sperm or egg. |
| SEX CELL | Sperm or egg. |
| MITOSIS | A process when body cells make exact copies of themselves. |
| MEIOSIS | A process when sex cells make new cells with half the # of chromosomes of body cells. |
| DNA | The chemical in the nucleus of every cell that determines all the cells activities. |
| CHROMOSOME | DNA when it begins to copy itself and takes a rod shape. |
| GENE | A section of a chromosome that carries a specific trait. |
| PHOTOSYNTHESIS | The process when plants make their own food using energy from the sun. |
| RESPIRATION | The process when cells burn food and oxygen in the mitochondria. |
| FERMENTATION | The process of burning food without oxygen. |
| SPERM CELL | Male sex cell. |
| EGG CELL | Female sex cell. |
| MUTATION | The changes resulting from damaged DNA. |
| CANCER | DNA is damaged and cells don't know when to quit reproducing. |
| TUMOR | A mass of cells resulting from damaged DNA that doesn't know when to quit reproducing. |
| SEXUAL | Using two parents (or cells) to reproduce. |
| ASEXUAL | Only needs one parent/cell to reproduce. |
| GENTOTYE | A list of an organism's genetic information. |
| PHENOTYPE | The traits of an organism that you can see by looking at it. |
| DOMINANT TRAIT | Always shows up in the organism's features. |
| RECESSIVE TRAIT | A hidden trait. It's in the genes but not in the appearance. |
| PUNNETT SQUARE | Shows all the possible combinations of traits that could be passed to an offspring. |
| MITOCHONDRIA | The place in a cell where food and oxygen are burned. |
| CHLOROPLASTS | The place in a plant cell where sugar is made from CO2 and H2O. |