Consider this ecological pyramid found in great lakes ecosystem. ecological pyramids are diagrams that are used to show how much energy the number of organism or how much biomass may be found at each tropic level of all the food webs of a community. why are the autotrophs, in the case the algae, always placed at the base of the pyramid ? a) autotrophs are always the most numerous in any ecosystem b) autotrophs are the starting point of the carbon cycle in any ecosystem c) autotrophs are responsible for converting solar energy into usable chemical energy d) autotrophs work with saprophytes and detritivores to recycle energy into the food web
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Biology, 22.06.2019 02:00
The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.
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Biology, 22.06.2019 03:30
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
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Biology, 22.06.2019 12:00
Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?
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Consider this ecological pyramid found in great lakes ecosystem. ecological pyramids are diagrams th...
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