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
Ecology
| Term | Definition |
|---|---|
| abiotic | nonliving factor such as air, water, sun |
| biotic | living factor in the environment such as plants and animals |
| homeostasis | maintaining a relatively stable environment; balance |
| organism/species | a living thing composed of organ systems that can breed and produce offspring |
| population | a group of one species that lives in the same area such as a group of frogs |
| community | a collection of two or more populations in one area such as grass, rabbits, and snakes |
| ecosystem | all the living and nonliving things in an area |
| biosphere | Earth |
| succession | a gradual change in a community that follows a disturbance |
| primary succession | succession that occurs when no soil is present ex. volcano |
| secondary succession | succession that follows a disturbance but does not remove the soil ex. wildfire |
| pioneer species | the first species to populate and area. Ex. is lichen and moss |
| climax community | a community which has been stable for many years |
| nitrogen fixation | BACTERIA changes the nitrogen into a form that living things can use |
| competition | occurs when organisms fight for the same resource and the same time ex. food, water, shelter |
| predation | one organism captures and eats another |
| symbiosis | two different species live close together |
| mutualism | both species benefit from the relationship ex. bees and flowers |
| commensalism | one benefits and the other is not helped nor harmed ex. barnacle and whale |
| parasitism | one benefits and the other is harmed ex. dog and tick |
| autotroph/producer | an organism that makes its own food through photosynthesis ex. plant |
| heterotroph/consumer | an organism that relys on others for food and must eat. ex. animal |
| herbivore | eats only plants |
| omnivore | eats both plants and animals |
| carnivore | eats only meat |
| decomposer | breaks down dead or organic matter ex. bacteria and mushrooms |
| 10% Law | the amount of energy passed onto the next energy level; the rest is lost as heat |
Created by:
JMHSBIO
Popular Biology sets