Humans can will themselves to eat more, as we know that food comes easy to us.
Animals, on the other hand, top priority is survival, so they usually wouldn't think about eating more because it just "tastes good."
Food webs with fewer species are more sensitive to the loss of species and ecosystem disturbances
Inhaling through the nose
Because Thymine is "replaced" with Uracil, the corresponding RNA Code for AAT would be UUA.