There are supposedly a large number of frogs found in lakes with various mutations(extra limbs, external gill slits and tadpole tails present in adult, limbs covered by different skin types, etc.), caused either by toxins or by an overall change in our environment, the ladder would support some theories on the world wide decline in amphibian populations.
(frogs; found; L:in lakes with various mutations) (limbs; covered; by different skin types, etc.) (various mutations; caused; either by toxins or by an overall change in our environment) (the ladder; would support; some theories on the world wide decline in amphibian populations)
frogs limbs various mutations the ladder
found covered caused would support
L:in lakes with various mutations
by different skin types, etc.
either by toxins or by an overall change in our environment
some theories on the world wide decline in amphibian populations