Biology, 18.05.2021 21:30 fluffypuppies24
DDT was sprayed over an area of land to control a population of insects. It is believed that the pesticide interfered with birds' ability to metabolize calcium. The
best explanation for how this pesticide came to affect the eggshells of the birds is that:
A. Fish eaten by the birds had been directly sprayed with DDT
B. The birds were sprayed with DDT
C. DDT washed into local bodies of water, was passed through the food chain consisting of plankton, fish and the birds
D. Insects sprayed with DDT infested the birds' nests
Answers: 2
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Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.
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DDT was sprayed over an area of land to control a population of insects. It is believed that the pes...
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