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Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area
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The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
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What happens during the experiment stage of the scientific method
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Why are current extinctions of concern to enviromentalists?
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What causes the most difference in air pressure? a)differential heating b)winds c)differences...
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