Because frogs spend so much of their lives-whether as eggs, tadpoles or adult frogs-exposed to sunlight, some researchers speculate that the increased rate of deformities may be resulting from increases in solar radiation.
(frogs; spend; so much of their lives) (some researchers; speculate; that the increased rate of deformities may be resulting from increases in solar radiation)
frogs some researchers
spend speculate
so much of their lives
that the increased rate of deformities may be resulting from increases in solar radiation