click below
click below
Normal Size Small Size show me how
Ecology
| Term | Definition |
|---|---|
| Phototropism | Plants grow toward the light |
| Thigmotropism | Plants grow as vines coil around the object they touch |
| Hydrotopism | Roots of the plant grow towards water |
| gravitropism | roots grow down and plant grows up |
| symbiosis | relationship between species |
| commensalism | one species is benefited, the other is unaffected |
| mutualism | both species benefit |
| parasitism | one species is benefited while the other is harmedd |
| endosymbiosis | one organism lives inside another |
| hibernationn | period of decreased activity and body temperature |
| dormancy | state of inactivity when an organism is not growing |
| migration | relatively long-distance movement of individuals, usually on a seasonal basis |
| territory | geographical area defended by an animal |
| mimicry | similarity of one species to another which protects one or both |
| bioluminescence | production and emission of light by a living organism |
| auxins | lengthns cells, resulting in phototropism |
| giberrelins | simulate gwth |
| ethylene | ripens fruit |
| cytokinins | stimulates cytokinesis and groth of side branches cell division |