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 Vocabulary
| Term | Definition |
|---|---|
| birth rate | the number of individuals born in a population in a given amount of time. |
| death rate | the number of individuals that die in a population in a given amount of time |
| immigration | to movement of an organism to an area |
| emigration | the movement of something away from a location |
| population density | the average number of individuals per unit of area or volume |
| limiting factors | anything that constrains a population's size and slows or stops it from growing |
| carrying capacity | a species' average population size in a particular habitat |
| organism | a living thing |
| population | the whole number of inhabitants in a region |
| community | an interacting group of various species in a common location |
| ecosystem | a community of living organisms in a particular area |
| biome | large area of land or water that has similar climate, plants , and animals |
| climate | the long-term, predictable atmospheric conditions of a specific area |
| desert | arid ecosystems that receive fewer than 25 centimeters of precipitation a year |
| rain forest | a hot, moist biome where it rains all year long |
| grassland | area in which the vegetation is dominated by a nearly continuous cover of crass |
| deciduous | falling off or shed seasonally or at a certain stage of development in the life cycle |
| boreal | forests growing in high latitude environments |
| coniferous | trees that bear their seeds in cones |
| tundra | frost-molded landscapes, extremely low temperatures, little precipitation |
| habitat | the natural home or environment of a plant, animal or other organism |
| abiotic | a non-living part of an ecosystem that shapes its environment |
| biotic | living or once living components of a community |
| Species | a group of organisms that can reproduce with another in nature and produce fertile offspring |
| producer | organisms that make their own food |
| consumer | an organism that cannot produce its own food and must eat other plants and/or animals to get energy |
| herbivore | an animal that feeds on plants |
| carnivore | an animal that feeds on flesh |
| omnivore | an animal or person that eats both plant and animal origin |
| scavenger | an animal that feeds on carrion, dead plant material, or refuse |
| decomposer | an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material |
| food chain | a hierarchical series of organisms each dependent on the next as a source of food |
| food web | a system of interlocking and interdependent food chains |
| energy pyramid | a model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem |
| ecology | the branch of biology that deals with the relations of organisms to one another and to their physical surroundings |
| natural selection | the process whereby organisms are better adapted to their environment tend to survive and produce more offspring. |
| adaptation | the evolutionary process whereby an organism becomes better able to live in its habitat or habitats |
| niche | the role an organism plays in a community. |
| competition | a relationship between organisms that strive for the same resources in the same place |
| predation | a biological interaction where one organism, the predator, kills and eats another organism, its prey |
| predator | organisms that hunt and kill other organisms for food. |
| prey | animals that are killed and eaten by other animals |
| symbiosis | a relationship or interaction between two different organisms that share similar habitat |
| commensalism | a relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter |
| parasitism | a relationship between the two living species in which one organism is benefited at the expense of the other |
| parasite | a relationship between the two living species in which one organism is benefited at the expense of the other. |
| host | a larger organism that harbours a smaller organism |
| Mutualism | association between organisms of two different species in which each benefits |
Created by:
user-1736952
Popular Biology sets