Biologists in louisiana have become concerned about cadmium levels in the water near new orleans and the probability that frogs will die out. they performed an experiment on bullfrog tadpoles to determine how toxic cadmium is to bullfrogs. suppose a small river with a population of 10,000 frogs becomes polluted with cadmium to a level of 3 mg per gallon per day. about how many bullfrogs would be expected to die?

The correct answer is 3,000 bullfrogs.

The survival rate of bullfrogs increases as the amount of Cadmium decreases. This will happen because cadmium is a ubiquitous pollutant in aquatic environments. Cadmiun can alter organismal physiology and ecology affecting their growth and development.

3,000

Explanation: about 3,000

The graph reveals that about 70% of frogs will survive this dose and 30% will die. 10,000 frogs - 3,000 (30%) = 7,000 survivors.

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