Toads

How much research has been done the role of feral species who may upset the food chain like the asian carp in the Mississippi, or cain toads in Australia? How much factor would this be in natural selection?

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... human characteristics, whereas if the human was female and the toad male then a human-like animal would be birthed with maybe webbed fingers and toads, along with maybe an elongated tongue. However, I'm only 15 so I don't know anything

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... we're talking about amphibians going from a wet swamp to a dryer land environment. Do they become more reptile like? Well yes and no. Yes in that toads do have leathery skin. Could they also gain a kidney that produces uric acid? Maybe. But the point is, if you had a toad that had all the characteristics ...

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... give general features for some things on the list and then give a feature that would only fit a few exceptions, but the question is still valid. Toads would fit better. Their toxins are mild, and they depend more on camouflage to avoid predators. Too bad it's not a choice.

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... to no affect on the population (shows you how much research went into it) They compete fiercely with our native frogs (Australia has no native toads) for habitat/food and outbreed our natives 5:1 feasting on the eggs/tadpoles/froglets and even the adults there are only 2 species of snake here ...

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