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| 9955785732 | homologous structures | Structures in different species that are similar because of common ancestry. |  | 0 |
| 9955785733 | variation | different traits in a species caused by differences in genes | 1 | |
| 9955785734 | natural selection | organisms better adapted to their environment tend to survive and produce more offspring. Organisms that are not adapted die. Over generations, the frequency of adaptive traits increases. | 2 | |
| 9955785735 | cladeoram | a model slowing evolutionary relationships between species | 3 | |
| 9955793479 | ribosome | structure in cell where proteins are synthesized |  | 4 |
| 9955801769 | vacuole | structure in cell for storage |  | 5 |
| 9955814206 | specific immune response | reaction to infections by specific pathogens or vaccines. Can trigger immunity to prevent illness in case of future exposure | 6 | |
| 9955835493 | insulin | hormone produced by pancreas in response to high blood sugar. Lowers blood sugar | 7 | |
| 9956207657 | glucagon | hormone produced by pancreas in response to low blood sugar. raises blood sugar | 8 | |
| 9956232517 | cell in hyper tonic solution | will shrink, because water will move out of the cell from an area of high concentration to an area of low concentration |  | 9 |
| 9956245287 | cell in a hypo tonic solution | will swell or lyse (burst), because water will into the cell from an area of high concentration to an area of low concentration |  | 10 |
| 9956257361 | cell in an iso tonic solution | will remain unchanged because the concentration of water is equal inside and outside of the cell, so there will be no net movement |  | 11 |
