| A | B |
| Stronger gene | dominant |
| weaker gene | recessive |
| alleles on a chromosome are the same | homozygous |
| alleles on a chromosome are different | heterozygous |
| gamete | sex cells such as sperm and ova |
| fertilization | The fusion of an egg cell to a sperm cell |
| Male Chromosome Pattern | XY |
| Somatic Cells | You do not pass on to your children |
| Germ cells | You do pass on to your children |
| Active Transport | When a cell uses a lot of energy to get something done |
| Passive Transport | When a cell does not have to use very much energy to get something done. |
| Eukaryotic Cell | Cells that do NOT have a nucleus |
| Prokaryotic Cell | Cells that HAVE a nucleus |
| Diffusion | movement of molecules from a region of higher concentration to lower concentration. |
| Aerobic | A reaction that requires oxygen |
| Chloroplast | This is where Photosynthesis takes place. |
| Semi-Permeable | When a cell membrane lets certain nutrients through |
| Charles Darwin | The father of evolution |
| Variation | Something an animal is born with |
| Adaptation | An animal that learns to live in a new environment or place. |
| Natural Selection | Theory that says certain variations help some organisms survive better than others. |
| Artifical Selection | Humans act as the agent who decides what will breed and what will not breed. |
| Phenotype | Your Physical characteristics |
| Genotype | Your genetic charateristics |
| Reactants in Photosynthesis (What you start with) | Water and Carbon Dioxide |
| Products of Photosynthesis (what you end up with) | Oxygen and sugar |
| Reactants in Cellular Respiration (what you start with) | Sugar and Oxygen |
| Products of Ceullular Respiration | Carbon dioxide and water |