| A | B |
| all living things do this | carry on metabolic activities |
| all living things come from | pre-existing life (reproduction) |
| make an experiment more valid | repeat it more times; use more subjects |
| with an electon microscope | you can see cell parts |
| things under microscope look | upside down and backward |
| switch from low power to high power | field of view darker and smaller |
| graphs of data used for | observing trends |
| cover slips used for | preparing wet mount slides |
| homeostasis | maintaining constant internal environment |
| smallest to largest | atom, cell, tissue, organ, organ system, organism |
| abiogenesis | spontaneous generation (life from dead things) |
| biogenesis | life from living things |
| Pasteur | biogenesis; kill bacteria in milk |
| Fleming | discovered penicillin |
| macroscope | 2 eyepieces; see large 3-D objects |
| compound light microscope | 1 eyepiece; see microscopic organisms |
| electron microscope | see cell parts |
| control | part of experiment that doesn't change |
| independent variable | part of experiment scientist changes |
| dependent variable | part of experiment that changes with other variable |
| cell | basic unit lof life |
| tissue | group of specialized cells |
| organ | 2 or more tissues together |
| organ system | groups of organs |
| organism | combination of organ systems |
| biology | study of life |
| zoology | study of animals |
| botany | study of plants |
| anatomy | study of structures of organisms |
| physiology | study of metabolic processes |
| cytology | study of cells |
| genetics | study of heredity |
| entomology | study of insects |
| ecology | study of interations between organisms and environment |
| paleontology | study of past (dinosaurs, plants, etc) |
| 1 liter | 1000 mililiters |
| 1 mm | 1000 microns |
| hypothesis | educated guess |
| a loud sound is example | a stimulus |
| you scream when you hear loud sound is example | a response |
| centrifuge | separates substances by density |
| volume | amount of space something takes up |
| skin | largest organ in the body |
| abiotic | not living |
| biotic | living |
| unethical | something done that goes against what is right |