Ecology Test Flashcards
Abiotic
Nonliving things that organisms depend on
What is studied in ecology
Study of how organisms depend on each other and depended on the environment to survive
Biotic factor
Living things that organisms depend on
Ecology chain
Organism to population to community to ecosystem to biome to biosphere
Organism
Living thing
Population
Group of organisms in the same area
Community
Populations in the same area
Ecosystem
Many communities, living and non living
Biome
Many ecosystems
Biosphere
All biomes on earth
Density independent
Doesn’t depend on population density, effects everyone the same
Density dependent factor
Depends on density, effects different populations the same
Emigration
Moving out
Immigration
Moving in
Birth rates
Rate of being born