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ECOSCIENCE EHRLICH PDF

Ecoscience Population, Resources, Environment By Paul R. Ehrlich, John P. Holdren And Anne H. Ehrlich (). The publication of Ecoscience was co-authored by Paul R. Ehrlich, Anne H. Ehrlich, and …

EXCRETION IN PLANARIA PDF

Our results indicate that in the non-parasitic freshwater planarian Schmidtea mediterranea, ammonia excretion depends on acidification of the apical unstirred . Introduction to excretion in planaria. Planaria are non-parasitic (free-living) …