You Are What You Eat: Stable Isotopic Evidence Indicates That the Naticid Gastropod Neverita duplicata Is an Omnivore
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You Are What You Eat: Stable Isotopic Evidence Indicates That the Naticid Gastropod Neverita duplicata Is an Omnivore
Species belonging to the family Naticidae (commonly called moon snails) are important infaunal gastropod predators found in soft-bottom marine communities worldwide that traditionally have been thought to prey on other mollusks, giving them the expected trophic position of a predator (trophic position = 3). Realized trophic position estimates of the naticid Neverita duplicata from Long Island S...
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Wernicke encephalopathy consists of a triad of ophthalmoplegia, ataxia, and altered mental status. It is caused by thiamine deficiency and although it is commonly seen in alcoholics, patients undergoing gastric bypass surgery for morbid obesity could be a new group of patients to watch for. Florid papilloedema and optic neuropathy are not commonly seen but are still consistent with the diagnosi...
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eat’, both in terms of portions and composition. When we think of this axiom, we conjure visions of ample food portions, rich in energy, high in fat, and associated with persons of equally ample body size proportions and body fat composition. However, these relationships are more complex than they may appear at first glance. The physical, physiological and behavioural manifestation of the compl...
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D ebate over the smallest eye requires a definition of what makes an eye. The answer to this question, generally given by those considered authorities, is that an eye is an organ that receives and recognises light and has the ability to define spatial detail. Specifically, an eye can compare the amount of light coming from different directions. This definition means that an unusual collection o...
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Archaeologists frequently use many different sources of information to reconstruct ancient diets, including faunal and macrobotanical remains, pollen and phytoliths, as well as pottery residues, coprolites, and indirect sources such as skeletal pathology, dental wear patterns, artistic depictions, and ethnographic observations. In most cases, however, the result is only the determination of the...
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ژورنال
عنوان ژورنال: Frontiers in Ecology and Evolution
سال: 2016
ISSN: 2296-701X
DOI: 10.3389/fevo.2016.00125