A researcher studies how nitrogen moves from the atmosphere into the different living organisms in an area. This is an example of: a) community ecology
b) ecosystem ecology
c) global ecology
d) population ecology

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Name the part of the the brain labeled "e".

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.