Paul Saladino· MD
there is a higher level of the isotope and that was con in such in some cases and that was interpreted as consumption of fish aquatic resources because in aquatic resources you have a more developed trophic structure so fish eat fish that eat fish that eat fish so so they have a higher concentration of the isotope and so it looks like uh maybe i'd write a paper about it one day but it looks like uh humans went from being a carnivore to being what you call it pesky or whatever yeah eating fish before they went to eat plants fish was more uh preferable energetic and by the way if you go and look at the at the record of energetic return fish have much higher energetic return than the obtaining fish have much higher energetic in in ethnographic situations than their plants