What are the limitations of isotopic analysis? How can the study of trace fossils (e.g., footprints, bite marks) provide additional information about the feeding behavior of this dinosaur?

Apr 27, 2023 ... Modern research has disproved the old concept that dinosaurs ... The fossil has the skull, teeth, and bony tail of a reptile and (the ... We first diagnose the minute bones and teeth using taxonomically informative anatomical features and then determine their ontogenetic status based on ... Apr 8, 2025 ... ... has teeth appropriate for grazing. The transitional forms are well preserved as fossils, as are many other kinds of extinct horses that ... Maximum growth rates in the exponential phase of growth may have ranged from 500 kg to 2000 kg per year (Wings et al., 2007; Lehman & Woodward, 2008), and ... Jun 3, 2015 ... Living reptiles—crocodiles, lizards, snakes—lack much of what makes mammalian mouths unique. A crocodile's teeth, for example, all have a ... Jan 3, 2024 ... ... teeth. Fossil evidence shows that male Au. afarensis individuals had canine teeth comparable in size to those of females. Did male dominance ... Feb 12, 2013 ... Bread recipes are specific. Use this kind of flour, and that kind of yeast… What if I told you that if you don't have hazelnut, you could use ... Fossil enamel has often enriched contents of minor elements such as Fe ... He also showed that reptile teeth had poor phylogenetic information and that ... rex had an incredibly powerful bite force, much higher than other theropods. The bite force was found to be between 35,000 and 57,000 Newtons per tooth (up to ... Oct 7, 2021 ... The oldest species long predate the dinosaurs, with fossils at least 500 million years old. Modern nautiluses live in coral reefs of the ...