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 chapter 1
Ecology and the environment chapter 1
| Term | Definition |
|---|---|
| organism | A living thing |
| Habitat | An environment that provides the things a specific organism needs to live, grow, and reproduce |
| biotic factor | A living or once living part of an organisms habitat |
| abiotic factor | A nonliving part of an organism's habitat |
| species | A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce |
| population | All members of one species living in the same area |
| community | All the different populations that live together in a particular area |
| ecosystem | The community of organisms that line in a particular area, along with their nonliving environment |
| ecology | The study of how organisms interact with each other and their environment |
| birth rate | number of births per 1,000 individuals for a certain time period |
| death rate | number of deaths per 1,000 individuals for a certain time period |
| immigration | Movement of individuals into a populations area |
| emigration | Movement of individuals out a populations area |
| population density | The number of individuals in an area of a specific size |
| limiting factor | An environmental factor that causes a population to decrease in size |
| carrying capacity | The largest population that a particular environment can support |
| natural selection | The process by which organisms that are best adapted to their environment are most likely to survive and reproduce |
| adaptation | An inherited behavior or physical characteristic that helps and organism survive and reproduce in its enviroment |
| niche | How and organism makes its living and interacts with the biotic and abiotic factors in its habitat |
| competition | The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time |
| predation | An interaction in which one organism kills another for food and nutrients |
| predator | The organisms that does the killing in a predation interaction |
| prey | An organism that is killed and eaten by another organism in a predation interaction |
| symbiosis | Any relationship in which two species live closely together and that benefits at least one of the species |
| mutualism | Any type of symbiosis in which both species benefit from living together |
| commensalism | Any type of symbiosis between two species in which one species benefits and the other species in neither helped nor harmed |
| parasitism | Any type of symbiosis in which one organism lives with, on, or in a host and harms it |
| host | An organism that a parasite lives with, in or on, and provides a source of energy or a suitable environment for the parasite to live |
| succession | The series of predictable changes that occur in a community over time |
| primary succession | The series of change that occur in an area where no soil or organism exist |
| pioneer species | The first species to populate and area during succession |
| secondary succession | The series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist |
Created by:
monnier
Popular Science sets