Answer:
Possible answers:
Temperature
Habitat loss
environmental pollutants
What does the first mean?
As the skin is highly permeable, amphibians are sensitive to moisture conditions
What does the second mean?
habitat loss and degradation is one of the greatest threats to amphibian and reptile populations and occurs from a variety of sources, including urban/suburban development, aquatic habitat alteration from water withdrawals and stream diversions, water pollution.
what does the third mean?
amphibians are more susceptible to pollution than other groups because their skin is permeable. For this reason, toxins are able to invade critical amphibian organs.
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