نتایج جستجو برای: background reptiles
تعداد نتایج: 840846 فیلتر نتایج به سال:
This publication is one in a series of UF/IFAS numbered publications summarizing general knowledge about Florida's introduced reptiles.
Crump interprets the stories, rather than simply recounting them. Her background as a research biologist, and her fi eld experience with native peoples, give her a broad perspective on the topic. She weaves a deft blend of summary and commentary, and often returns to emergent themes. Why do particular species appear in leading roles? Why do snakes and toads so often end up both as hero and vill...
A note on opportunistic records of reptiles from the Moyar River Valley Landscape, Tamil Nadu, southern India
During the past decade it has been documented that the average of earth temperature increased 6 °C in a period of 100 years. The higher amount of this phenomenon has been recorded between 1910 and 1945 and, from 1976 to present date (Jones, 1999; Kerr, 1995; Oechel et al., 1994; Thomason, 1995). From 1976 to present the temperature rising has been the faster recorded in the last 10,000 years (J...
1. The amphibian ancestor had two gas exchangers, one working in water and one in air. It also ventilated the aerial exchanger in an intermittent fashion. The functional repercussions of thie ancestry can be seen in all amphibians and reptiles. 2. During periods of apnoea, which almost all amphibians and reptiles show in their breathing patterns, there are variable fluctuations in lung and arte...
This paper will cover the diseases of the musculoskeletal system of reptiles. It is not a comprehensive review. More in-depth disease descriptions can be found in the articles and reference books listed in the literature cited. The paper is divided by etiologic disease categories involving the musculoskeletal system. A short discussion of the disease conditions is found in each section. For the...
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در دنیا مناطقی وجود دارند که ساکنین آنها در معرض پرتوهای طبیعی زمینه بالا هستند. این مناطق به high background radiation areas hbras ، معروف می باشند. از جمله این مناطق می توان به گوارا پاری در برزیل ، کرالا در هند ، نواحی از آمریکا و یانگ جیانگ در چین اشاره کرد. در ایران نیز مناطق با پرتودهی زمینه بالا مشاهده شده است . رامسر یکی از این مناطق است .
Abstract Reptiles represent one of the most diverse groups tetrapod vertebrates. Extant representatives reptiles include lepidosaurs (lizards), testudines (turtles) and archosaurs (crocodiles birds). In particular, they show an important locomotor diversity with bipedal, quadrupedal facultatively bipedal taxa. This is accompanied by substantial microanatomical disparity in limb bones. Although ...
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