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ecology
chapter3 vocabulary
25
Biology
9th Grade
01/16/2007

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Term
ecology
Definition
scientific study of interaction between orginisms
Term
biosphere
Definition
contains the combined particals of the planet
Term
species
Definition
a group of orginisms so similar they can breed
Term
population
Definition
a group of individuals that belong to the same species
Term
community
Definition
assembilings of different population
Term
ecosystem
Definition
collection of orginisims that liveparticually in the same place
Term
biome
Definition
group of ecosystems with the same climate
Term
autograph-producers
Definition
use energy to assemble simple compounds/capture energy from sunlight
Term
photosynthisis
Definition
use light energy to power chemical reactions that converts carbon into water
Term
chemosynthisis-heterograph
Definition
use chemical energy to produce carbohydrates/rely on other orinisms for food
Term
consumer-hurbevor
Definition
rely on other orginisms for food/obtain energy by eating only plants
Term
carnevor-omnievor
Definition
obtain energy by eating meat/eats both plants and animals
Term
detrievor-decomposer
Definition
feed on plant and animal remains/reak down organic matter
Term
food chain-food web
Definition
series of steps in which orinisms transfer energy by eating/links all food chains together
Term
trophi
Definition
each step in the food chain of the food web
Term
ecological pyrimad-biomass
Definition
diagrams that show thw realative amounts of energy/expressed in grains
Term
biochemical cycle
Definition
connect biological,geological,and chemical aspects of the biosphere
Term
evaporation
Definition
the process in when liquid changes to gas
Term
transpratism
Definition
water evaporation from plantes and leaves
Term
nutrient
Definition
substance orginisms need to sustain life
Term
nutrigan
Definition
fixation of nitrigan gas into ammonia
Term
dentrfication
Definition
process releases mitrigan into the atmosphere
Term
primary productivity
Definition
rate at which orinisms matter is created
Term
limited nutrient
Definition
when an ecosystem is limited by a single nutrient
Term
algal bloom
Definition
when an aqudic ecosystem recieves a large input from limiting nutrient
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