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Interdepen-dence
Energy Flow
We Are What We Eat
Water
Nutrients
100
the least complex level of organization of living things
What is an individual?
100
the main source of energy for life
What is the sun?
100
a series of steps to transfer energy in an ecosystem
What is a food chain?
100
the change from liquid to a gas
What is evaporation?
100
process of bacteria forming ammonia from atmospheric nitrogen
What is nitrogen fixation?
200
collection of all organisms in a place plus non-living factors
What is an ecosystem?
200
organisms that produce their own food
What is an autotroph?
200
each step in a food chain
What is a trophic level?
200
the change from gas to liquid
What is condensation?
200
photosynthesis and respiration are part of the recycling of this element
What is carbon?
300
group of individuals that can breed and produce fertile offspring
What is a species?
300
some bacteria use chemical energy to produce carbohydrates
What is chemosynthesis?
300
in this food chain, it is the secondary consumer: grass >grasshopper>rabbit> coyote
What is the rabbit?
300
water exiting the leaves of a plant
What is transpiration?
300
geochemical processes that release carbon dioxide
What is erosion and volcanic activity?
400
different species together in a certain place
What is a community?
400
these 2 are major decomposers
What are bacteria and fungi?
400
the amount of energy transferred from one level to the one above in a food chain
What is 10%?
400
falling from the atmosphere back to Earth
What is precipitation?
400
element in DNA and RNA that recycles but does not enter the atmosphere
What is phosphorous?
500
group of organisms of one species in a certain place
What is a population?
500
organisms that feed on remains of dead animals and other decaying matter
What are detritivores?
500
measured in grams of organic matter per unit area
What is biomass?
500
process in animals that releases water vapor
What is respiration?
500
the element that combines with other elements to help recycle them through the biosphere
What is oxygen?