Tadpole embryos grow strong jaws if they sense shrimp in the water

mexico spadefoot toad tadpole

mexico spadefoot toad tadpole

Wild Horizon/Universal Image Group via Getty Images

Some tadpoles can respond to their environment even before they are born, and when they sense prey in the water in their embryonic state, they hatch with stronger jaws.

Mexican spadefoot toad (hope doubled) is a type of small round frog that is usually found in arid desert environments. As tadpoles, frogs cope with unpredictable climatic conditions by adjusting their diet. Some people grow up eating small portions of everything. Others develop into specialized carnivores and may even snack on other tadpoles. This allows them to grow faster and escape dry ponds. …

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