Ecosystems Vocabulary
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Biotic
relating to or resulting from living things specially in their ecological relations
abiotic
physical rather then biological, not derived from living organism
biodiversity
the variety of life world or in a particular habitat or ecosystem
energy flow
the flow through living things within an ecosystem
trophic levels
each of several hierarchical levels in ecosystem
biochemical cycles
the pathway by which a chemical substance cycles
populations
group of organisms of the same species who inhabit the same particular geography
biomes
environment in a group of ecosystems
invasive species
any kind of living organism that invades a location
biomagnification
accumulation of insecticide or toxins in organisms
eutrophication
when the environment becomes enriched with nutrients
carrying capacity
the total frequency of individuals within a community a habitat can sustain
limiting factor
anything that constrains a populations size
chemical half life
the time it takes for concentration of that substance to fall to half of its initial value
diversity index
a quantitative measure that reflects how many different types
successions
a number of people or things sharing a specified character and following after the other
periodic table
a table of the chemical elements arranged in order of atomic number usually in rows