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biology
chapter 3
25
Biology
10th Grade
10/05/2011

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Term
antotroph
Definition
organism that can capture energy from sunlight or chemicals and use it to produce its own foodfrom inorganic compounds also called a producer
Term
producer
Definition
organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic componds also called an antotroph
Term
photosynthesis
Definition
process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches.
Term
Chemosynthesis
Definition
process by which some organisms, such as cerrtain bacteria use chemical energy to produce carbohydrates
Term
heterotroph
Definition
organism that obtains energy from the foods it comsumes
Term
consumer
Definition
organism that relies on other organisms for its energy and food supply.
Term
herbivore
Definition
organism that obtains energy by eating only plants.
Term
carnivore
Definition
organism that obtains energy by eating animals
Term
omnivore
Definition
organism that obtains energy by eating both animals and plants.
Term
detrivore
Definition
organims that feeds on plants and animals remains and other dead matter.
Term
decomposer
Definition
organism that breaks down and obtains energy from dead organic matter.
Term
food chain
Definition
series of steps in ecosystem in which organism transfer energy by eating and being eaten.
Term
food web
Definition
network of complex interactions formed by the feeding relationshcips among the various organisms in an ecosystem.
Term
trophic level
Definition
step in a food chain or food web
Term
ecological pyramid
Definition
diagram that shows the relative amounts of energy or matter.
Term
biomass
Definition
total amount of living tissue.
Term
biogeochemical cycle
Definition
process of elements, chemical compounds and other forms of matter
Term
evaproation
Definition
water is taken into the air.
Term
transpiration
Definition
DNA is copied
Term
nutrient
Definition
monomer of nucleic acids made of a 5 carbon.
Term
nitrogen fixation
Definition
process of converting nitrogens into ammonia
Term
denitrification
Definition
nitrates into nitrogen
Term
primary productive
Definition
matter is created by producers
Term
limiting nutrient
Definition
single nutrient
Term
algal bloom
Definition
increase amount of energy in algae and other producers that results from a large input of a limiting nutrient.
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