 The skin is selectively permeable via aquaporins, allowing them to absorb water from damp ground, standing water, and mossy substrates.According to David Pfenning's lab at the University of North Carolina, Desert spadefoots appear able to not only adapt their bodies to a carnivorous diet (Shorter gut, protein-digesting genes are activated) but also are more likely to have progeny that are adapted to meat.This is a major study that shows that Lamarckian characteristics are not as disproven as once thought.