Mechanisms and consequences of developmental acceleration in tadpoles responding to pond drying.

Tadpoles in full water volume took on average 105.5 days (± 4.0 SE) to reach Gosner stage 38 and 132.65 days (± 4.25) to reach metamorphosis (Gosner stage 42), whereas tadpoles exposed to low water volume took 86.38 days (± 4.43) to reach stage 38 and 89.77 (± 4.0) days to reach metamorphosis, resulting in highly significant reductions in larval period ( F 1,44 = 23.20, P < 0.0001 for days to Gosner stage 38; F 1,45 = 40.91, P <0.0001 for days to Gosner stage 42) ( Figure 2A ).

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