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
mcleod ecology
seventh grade biology ecology vocab
| Term | Definition |
|---|---|
| ecology | study of the interactions between organisms and their environment |
| biotic | the living part of the environment living organisms |
| abiotic | the parts of the environment that are non-living |
| environment | made up of biotic and abiotic parts |
| organisms | anything that can independently carry out life processes |
| population | a group of individuals of the same species that live together in the same area at the same time |
| community | all the populations of different species that live in and interact in an area all biotic factors |
| ecosystem | a community of organisms and their nonliving environment both biotic and abiotic |
| biosphere | the part of the Earth where life exists |
| autotrophs/producers | organisms that make their food using sunlight or chemicals |
| heterotrophs/consumers | organisms that eat other organisms to get food |
| herbivore | eats only plants |
| carnivore | eats only meat |
| omnivore | eats both plants and meat |
| scavenger | animal that feeds on bodies of dead organisms |
| decomposer | organism that gets energy from decomposed organisms like mushrooms and bacteria |
| food chain | shows the way energy flows from one organism to the next |
| food web | shows many energy pathways in an ecosystem |
| energy pyramid | a representation of energy lost at each level of the food chain |
| habitat | environment an organism lives in |
| niche | an organism's way of life in its ecosystem |
| limiting factors | populations cannot grow indefinitely because the environment contains only so much food, water, living space and other needed resources |
| carrying capacity | the largest population that a given environment can support over a long period of time. |
| competition | two or more individuals or populations try to use the same limited resources such as food, water, shelter, space, sunlight |
| predator | organisms that eat the prey |
| prey | organism that is eaten |
| symbiosis | a close, long-term association between two or more species |
| mutualism | both organisms benefit |
| commensalisms | one organism benefits and the other is unaffected |
| parasitism | one organism benefits while the other is harmed |
| coevolution | a long-term change that takes place in two species because of their close interactions with one another |
Created by:
f mcleod
Popular Biology sets