Ecology 4.1 Definitions Flashcards
Biotic
The living components of an ecosystem
Ecosystem
Interactions of a community and its abiotic factors
Community
Populations of different species living together and interacting with one another
Abiotic
The non-living environment (ex. C, H, O, P, N, Su, Si, Sunlight, etc.)
Species
Groups of organisms that can interbreed to produce viable offspring
Population
A group of organisms of the same species living in the same area at the same time
Mesocosm
An experimental ecosystem, used to perform ecological experiments.
Autotrophs
Organisms that can make their own carbon compounds
Heterotrophs
Organisms that must obtain their carbon compounds from ingesting other organisms
Mixotrophic
Organisms that can either obtain carbon compounds by making their own or from other organisms
Detritivores
Heterotrophs that obtain organic nutrients by internally digesting dead organic matter
Saprotrophs
Heterotrophs that obtain organic nutrients by externally digesting dead organic matter
Consumers
Heterotrophs that obtain nutrients by ingesting other living things
Photosynthesis
The process of converting carbon dioxide, water, and light in glucose and oxygen
Cellular Respiration
Process in which organisms synthesize (make) ATP