click below
click below
Normal Size Small Size show me how
Biome Test Vocab
Env. Sci. Biome test vocab
| Question | Answer |
|---|---|
| Ecology | The scientific study of relationships in the natural world |
| Physiological Ecology | The study of the relationships between organisms and their physical environment. |
| Population Ecology | The study of the relationships between organisms of the same species. |
| Community Ecology | The study of the relationships between organisms of different species. |
| Ecosystem Ecology | The study of the relationships between organisms and fluxes of matter and energy through bio-systems. |
| Ecosystem | Communities of living organisms in a particular place and the chemical and physical factors that influence them. |
| Biogeography | The geographic distribution of living organisms and their communities |
| Biome | A large geographic area characterized by its environmental attributes and by the plants and animals that inhabit the area |
| Terrestrial Biome | A land biome characterized by temperature and precipitation |
| Aquatic Biome | A water biome characterized by temperature, depth, and salinity |
| Permafrost | Soil that is perennially frozen except for a thin surface layer that thaws in the summer time |
| Species Richness | The total number of species present in an area |
| Latitudinal Biodiversity Gradient | The increase in species richness or biodiversity that occurs from the poles to the tropics, often referred to as the latitudinal gradient in species diversity |
| Trophic Level | A feeding level within a food web |
| Primary Producer | organisms in an ecosystem that produce biomass from inorganic compounds (autotrophs) |
| Decomposer | scavengers break down dead plants and animals |
| Gross Primary Productivity | The total organic matter produced through photosynthesis |
| Net Primary Productivity | The rate at which new biomass accrues in an ecosystem (The energy that remains available after subtracting the fraction thats plants use for respiration. |
| Biogeochemical cycling | a pathway by which a chemical element or molecule moves through both biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth |