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Há 10 horas · The ultrastructure of AECs was studied in amniotes, including snakes 17, lizards 18, turtles 19, birds 20, and mammals 21,22. ... Animals. Four egg clutches (ranging from 200 to 500 eggs) ...
Há 10 horas · A study on the femoral histology of amniotes from the Triassic Ischigualasto Formation , including early dinosaurs Chromogisaurus novasi, Eodromaeus murphi, Eoraptor lunensis, Herrerasaurus ischigualastensis and Sanjuansaurus gordilloi, is published by Curry Rogers et al. (2024), who find that early dinosaurs known from this formation grew at least as quickly as sauropodomorph and theropod ...
Há 10 horas · Arthropods ( / ˈɑːrθrəpɒd / ARTH-rə-pod) [20] are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated ( metameric) segments, and paired jointed appendages. In order to keep growing, they must go through stages of moulting ...
Há 10 horas · Tuatara, like many of New Zealand's native animals, are threatened by habitat loss and introduced predators, such as the Polynesian rat (Rattus exulans). Tuatara were extinct on the mainland, with the remaining populations confined to 32 offshore islands [19] until the first North Island release into the heavily fenced and monitored Karori Wildlife Sanctuary (now named "Zealandia") in 2005.
