In the present, frogs don’t have very big lungs. However, that can change in the future. The lungs of frogs can get bigger in the future due to less air. Less air can be a result of air pollution. For this reason, frogs would probably have bigger lungs in the future. In the second image of the future, the blue parts on the frog are the lungs. The lungs of the frogs changing would probably take a long time. This change might happen in about 2000 years. Frogs might be able to adapt and survive at that rate of change.
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