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. |