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
chapter 1
populations and Communities
| Question | Answer |
|---|---|
| organism | a living thing |
| habitat | an enivrement that provides the things the organism needs to live ,grow,and reproduce. |
| biotic factor | a living part of an organism's habitat. |
| abiotic | a nonliving part of an organisms habitat |
| photosyithesis | the process in which organisms use water along with sunlight and carbon dioxide to make their own food. |
| Species | A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce. |
| population | All the members of one species in a particular area. |
| community | All the differnt populations that live together in an area. |
| ecology | the study of how living things interact with each other and their environment. |
| estimate | Is an approximation of a number, based on responsible assumptions. |
| birth rate | Of a population is a number of births in a population in a certian amount of time. |
| Death rate | The number of deaths in a population in a certian amount of time. |
| Immigration | Moving into a population. |
| Emmigration | Moving out of a population. |
| population density | The number of individuals in an area of a specific size. |
| Limiting factors | is an enviromental factor that causes a population to decrease. |
| carrying capacity | the largest populations that an area can support. |
| natural selection | a charactaristic that makes an individual better suited to its environment tha may eventually become common in that species through a process. |
| adoptions | the behaviors and physical charactaristics that allow organisims to live successfully in their environment. |
| niche | the role of an organism in its habitat, or how it makes its living. |
| competition | the struggle between organisims to survive as they attempt to use the same limited resource. |
| predation | An interaction in which one organism does the killing, in food. |
| Preditor | The organism that does the killing in this case the Tigershark is the preditor. |
| Prey | the organism that is killed in this case the Albatros is the prey. |
| Symbiosis | In a close relationship between two species that benefits at least one of the species. |
| mutuatiasm | a relationship in which both species benefit. |
| commensatism | a relationship in which one species benefits and the other species is neither helped nor harmed. |
| parasite | involves one organism living on or inside another organism and harming it. The organism that benefits. |
| parasitism | involves one organism living on or inside anohter oranism and harming it. |
| Host | the organism that is lives on or in. |
| succession | the series of predictable changes that occur in and over time. |
| primary succession | is the series of changes that occur in an area where no soil or organisms exist. |
| pioneer species | the first species to populate the area. |
| Secondary succession | is the series of changes that occur in an area where the ecosystem has been disturbed. |
Created by:
ljudd
Popular Science sets