Chapter 2
Abiotic Factor
The nonliving factors in an organisms enviroment
Biome
Is a large group of ecosystems that share the same climate and have similar types of communities
Biosphere
The portion of earth that supports life
Biotic Factor
The living factors in an organisms enviroment
Commensalism
is a relationship in which one organism benefits and the other organism is neither helped nor harmed
Apothona lacertosa
leafy spurge bug that kills plant
agonopterix alsotosmemrjdgjdjgjdjgjdhghdjg
bug that kills the plant
Ecosystem
a Biological community and all the abiotic factors that effect it
community
a group of interacting populations that occupy the geographic area at the same time
Population
individual organisms of single species that share the same geographic location at the same time
Habitat
an area where an organism lives
Niche
is the role or position that an organism has in its enviroment
Symbiosis
the close relationship that exist when two or more species live together
Mutualism
the relationship between two or more organisms that live closely together and benifit from eachother
Commensalism
is a relationship in which one organism benefits and the other organism is neither helped nor harmed
Parasitism
a symbolic relationship in which one organism benefits at the expense of another organisms
Omnivore
organisms that eat both plants and animals
Detrivore
organisms that eat fragments of dead matter in an ecosystem
Trophic level
each step in a food chain or food web
Food chain
a simple model that shows how energy flows through an ecosystem
Food web
is a model representing
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