What abiotic factor influences tadpole survival

cadmium dosage

Explanation:

Cadmium is a rare metal that is most easily found in aquatic environments and possesses the property of being insoluble.  Due to its toxicant properties, cadmium is one of several elements that contribute to the decline of amphibian populations.

In the tadpole phase, amphibians remove the oxygen mixed in the water, just like the fish, through the gills, that are in the inner part of the mouth. If this water is high in Cadmium, the tadpole will be intoxicated and die. For this reason, cadmium concentration is considered an abiotic factor that influences tadpole survival

Abiotic factors are influences that living things can receive in an ecosystem. These influences may be physical, chemical or physico-chemical in nature

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