Ecology Flashcards
Environment
Some of all external forces that affect an organism either biotic or abiotic
Biotic factors
The organisms that make up the living portion of an ecosystem
population
A group of organisms of the same species living in a specific area
Species
A group of closely related organisms that are able to breed of one another to produce fertile offspring
Diversity
The measure of the number of species that dwell in an ecosystem
Community
A group of populations in the area but interact with one another
Abiotic factors
The nonliving factors of an ecosystem
Habitat
The physical location in which an organism lives
Niche
The way the species it uses the resources of the habitat and what it does in the community
Producer
Organisms that can make its own food
Consumer
Can’t manufacture its own food so relies on the producers for food
Decomposer
Break down the complex compounds of dead and decaying organisms
Food chain
Indicates how energy flows through an ecosystem
Trophic levels
A feeding step of a food chain
Food web
Express is all the possible feeding relationships within an ecosystem and is used because it feeds at more than one tropic level
