Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
biology exam vocab
| Term | Definition |
|---|---|
| Biology | scientific study of life |
| Hypothesis | a possible explanation for a set of observations or possible answer to a scientific question |
| ATP | a compound used by cells to store and release energy |
| Theory | a well tested explanation that unifies a broad range of observations and hypothesis, and enables scientists to make accurate predictions about new situations |
| catalyst | a substance that speeds up the rate of a chemical reaction |
| primary producer | first producer of energy-rich compounds that are later used by other organisms |
| homeostasis | relatively constant internal physical and chemical conditions that organisms maintain |
| compound | substance formed by a chemical combination of two or more elements in definite proportions |
| nucleus | the center of an atom, which contains the protons and neutrons; in a cells, structure that contains the cell's genetic material in the form of DNA |
| element | pure substance that consists entirely of one type of atom |
| data | evidence; information gathered from observations |
| pH scale | a scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic,a pH of 7 is neutral, and a pH of 7 to 14 is basic |
| climate | average-year-to-year conditions of temperature and precipitation in an area over a long period of time |
| DNA | genetic material that organisms inherit from their parents |
| ecosystem | all organisms that live in a place, together with their nonliving environment |
Created by:
giddings
Popular Biology sets