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Definition
| the solid portion of the earth |
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| the gaseous envelope surrounding the earth |
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| water on or surrounding the surface of the earth |
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| all the spheres where life can be found |
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| characterized by the absence of life |
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Definition
| an individual form of life |
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Definition
| a group of organisms that will naturally reproduce, resemble eachother in appearance and behavior, and produce fertile offspring |
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Definition
| a group of organisms of the same species in a given area |
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Definition
| a group of interacting populations of different species in a given area |
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Definition
| a biological community plus its abiotic components |
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Definition
| a sequence in which energy is transfered from one organism to the next |
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Definition
| make own food usually by photosynthesis of chemosynthesis |
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Definition
| forming organic carbon-based compounds like carbohydrates, from carbondioxide and water |
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Term
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Definition
feed on other organisms
(primary___ feed on producers and are herbirvores)
(secondary _____ eat primary ______, carnivores, or scavangers) |
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Term
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Definition
| organisms that feed on or break down dead plant or animal matter, the nutrients are put back in the soil |
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Definition
| dry weight of tissue and other matter |
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Definition
based off of what an organism eats
less energy is consumed each level you go up
energy consumption is more efficient at a lower lever |
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Term
| 1st law of thermodynamics |
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Definition
energy cannot be created or destroyed.
energy can't be reused, but matter can
you lose energy in heat, but nutrients are recycled by decomposers |
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Definition
can only happen once
something replaces nothing |
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Definition
can happen multiple times
one community replaces another one |
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Definition
| a place where an organism lives |
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| the role that an organism plays within the community |
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| the area within which an animal lives its everyday life |
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Definition
| releases heat creating liquid |
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Definition
| absorbing heat, creating mist |
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Definition
| falling products of condensation in the atmosphere |
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Definition
| water goes down to lake or ocean |
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Term
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Definition
| water under earth's surface, made known by wells |
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Definition
| passage of water through a plant from the roots through the vascular system to the atmosphere (evaporation in plants) |
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Definition
| the conversion by bacteria in roots of plants of gascious nitrogen into ammonia. done without oxygen |
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Term
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Definition
| ammonia produced by bacteria is picked up by plants used to produce protein and ammino acids |
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Term
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Definition
| excreted nitrogen, in the form of urea, is converted back into ammonia by bacteria with oxygen |
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Term
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Definition
| conversion of ammonia into nitrate |
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Definition
| taking any remaining nitrate and converting it into nitrogenous gas |
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Definition
| members of the same species in a given geographic area |
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Definition
| statistical study of a poplulation |
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Definition
| the study of the amount and types of genes in a population |
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Definition
| all of the known alleles of the genes in a given population |
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Definition
| how much of a population an environment can support |
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Definition
| an environmental factor that tends to limit population sixe |
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Term
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Definition
exponential growth followed by a population theat crashes
the species live in unstable environments |
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Term
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Definition
steadier growth
reproduce later in life
fewer but larger offsprng
have parental care and a stable environment |
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