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
Grade 7 Ch 1 Bacteri
From Bacteria to Plants Ch 1 Vocabulary
| Term | Definition |
|---|---|
| organism | living thing |
| cell | basic unit of structure and function in an organism |
| unicellular | single-celled organism |
| multicellular | organisms composed of many cells |
| growth | the process of becoming larger |
| development | the process of change that produces a more complex organism |
| stimulus | a change in an organism's surroundings that causes the organism to react |
| reaction | an action or change in behavior |
| reproduce | to produce offspring that are similar to the parents |
| spontaneous generation | the mistaken idea that living things arise form nonliving sources |
| controlled experiment | two test that are identical in every respect except for one factor |
| variable | the one factor that is changed in an experiment |
| autotrophs | organisms that make their own food |
| heterotrophs | organisms that cannot make their own food |
| homeostasis | the maintenance of stable internal conditions despite changes in the surroundings |
| fossils | traces of ancient organisms that have been preserved in rock or other substances |
| classification | the process of grouping things based on their similarities |
| taxonomy | the scientific study of how living things are classified |
| prokaryotes | organisms whose cells lack a nucleus |
| nucleus | a dense area in a cell that contains nucleic acids |
| eukaryotes | organisms with cells that contain nuclei |
Created by:
Dcoleman
Popular Science sets