Ecology Flashcards
Biotic
Living things
Abiotic
non living things
Population
Group of organisms of the sam species living in a particular area
Community
Many organisms of different species living in a particular area.
Ecosystem
Self sustaining collection of Organisms and their physical enviroment
Biome
Self sustaining collection of organisms and their physical environment, Both biotic and abiotic.
Biosphere
all biomes and areas were living things are found.
Limiting factors
Things that a species need to grow but are limited.
Food pyramid
Bottom- Producer, Autotrophs (make own food)
second level- Primary consumer, heterotrophs (eat energy) eat plants
Middle level- Secondary consumer, heterotrophs, eat primary consumers, carnivore
Top Level- Tertiary consumer, eat primary/secondary consumers, carnivores,
Trophic levels
go up by 10 percent in energy flow
Biodiversity
The amount of different organisms in an area
Primary seccession
brand new land, nothing ever grew there before,
Pioneer stages
First to show up
Secondary Seccession
Changes that happen in an area that already had life, but abiotic factors change.
Climax community
Stable community
