Which statement best describes a human influence on the biogeochemical cycles?
A increased eutrophication caused by high levels of nitrogen and phosphorous
B increased nitrates available due to inaccurate methods of denitrification
C increased global warming due to alternative energy sources
D increased amount of water that is available to freshwater ecosystems
Answers: 2
Biology, 22.06.2019 02:00
The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except
Answers: 1
Biology, 22.06.2019 10:30
Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.
Answers: 3
Biology, 22.06.2019 13:00
This is a biological reaction due to a stimulus. i need this quickly !
Answers: 1
Which statement best describes a human influence on the biogeochemical cycles?
A increased eutrophi...
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