Ecology Flashcards
Biogeochemical cycles
Process in which elements are passed from one organism to another and from one part of the biosphere to another
Biodiversity
Biological diversity; the sum total of the variety of organisms in a biosphere
Carrying capacity
Largest number of individuals of a pop that a given environment can support
Community
Assemblage if different populations that live together in a defined area
Consumer
Organism that relies on other organisms for its energy and food supply
Decomposer
Organism that breaks down and obtains energy from dead organic matter
Ecology
Scientific study of interactions among organisms and between organisms and their environment
Ecosystem
Collection of all organisms that live in a particular place
Emigration
Movement of individuals out of an area
Energy pyramid
Shows the relative amount of energy available at each tropic level
Exponential growth
Growth patterns in which individuals in a pop reproduce at a constant rate
Habitat
The area where an organism lives( bi and abiotic)
Immigration
Movement if individuals into an area occupied by an existing pop
Logistic growth
Growth pattern on which a populations growth rate stops or slow following a period of exponential growth
Pop
Ind. that live In the same are
