melanysanson11
melanysanson11
11.05.2021 • 
Biology

(i)what relationship seems to exist between the number of species of snail present and the concentration of calcium in the water?

(ii) Give a possible explanation for this relationship based on the fact that one of
the components of a snail's shell is calcium


(i)what relationship seems to exist between the number of species of snail present

and the concen

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