| A | B |
|---|
| technology | the use of scientific discoveries to solve everyday problems |
| control | a standard for comparing results: this does not change in an experiment |
| theory | a hypothesis that has been tested again and again with similiar results each time |
| biology | the study of living and once living things |
| hypothesis | a statement that can be tested |
| data | the recorded facts or measurements from an experiment |
| variable | something that causes the changes observed in an experiment |
| experiment | testing a hypothesis using a series of steps with controlled conditions |
| stereomicroscope | a microscope used for viewing objects through which light cannot pass |
| conclusion | a scientist forms this at the end of an experiment |
| International System of Units | all measurements in biology are recorded in this system |
| consumer | living things that eat other living things |
| organism | a living thing |
| cell | the basic unit of all living things |
| development | all the changes that occur as a living thing grows |
| reproduce | to form offspring similar to the parents |
| cellular respiration | the process by which food is broken down and energy is released |
| producer | living things that make their own food |
| adaptation | a trait that makes a living thing better able to survive |
| organ system | a group of organs that work together to do a certain job |
| growth | to increase in size |
| chemical formula | a way to write the name of a compound using symbols |
| diffusion | the movement of a substance from a large amount to a small amount |
| meiosis | cell reproduction that forms sex cells |
| cancer | abnormal cell mitosis |
| mitosis | cell reproduction in which 2 identical cells are made |
| ovary | female sex organ |
| puberty | stage in life when sex cells start to undergo meiosis |
| polar body | small cell in the female that dies after being formed by meiosis |
| testes | organs that produce sperm |
| heterozygous | has a dominant and a recessive gene for a trait |
| dominant gene | a gene that prevents a recessive gene from showing |
| pure dominant | has two dominant genes for a trait |
| pure recessive | having two recessive genes for a trait |
| gene | a small section of a chromosome that determines a trait |
| Punnett Square | a way to show which genes combine when egg and sperm join |
| recessive gene | a gene that does not show when the dominant gene for a trait is present |
| genetics | study of how traits are passed from parents to offspring |
| autosome | chromosome that does not determine sex |
| amniocentesis | a way of looking at chromosomes of a fetus |
| dyslexia | seeing or writing some letters of the alphabet backwards |
| sex chromosome | chromosome that determines sex of a child |
| X chromosome | female sex chromosome |
| incomplete dominance | trait in which neither gene is totally dominant over the other |
| color blindness | vision problem related to sex chromosome |
| Y chromosome | male sex chromosome |
| pedigree | diagram used to trace a family trait |
| sickle-cell anemia | genetic disorder in which all red blood cells are shaped like sickles |
