In this article we will discuss about the modifications of aortic arches in vertebrates. The basic fundamental plan of the aortic arches is similar in different vertebrates during embryonic stages. But in adult the condition of the arrangement is changed either being lost or modified considerably. The number of aortic arches is gradually reduced as […]
Modification of Aortic Arches in Vertebrates – Discussed!
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9 Main Physiological Adaptations of Cetaceans | Aquatic Mammals
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The following points highlight the nine main physiological adaptation of cetaceans. The physiological adaptations are: 1. Thermoregulation 2. Feeding Habits 3. Osmoregulation 4. Lung Ventilation and Deep Diving 5. Bradycardia 6. Retea Mirabile 7. Reproduction 8. Gestation and Parturition 9. Growth and Size. Physiological Adaptation # 1. Thermoregulation: Aquatic mammals have a well-developed thermoregulatory mechanism. […]
Humans: Evolutionary Trends, Ancestry and Classification | Mammals
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In this article we will discuss about Humans:- 1. Evolutionary Trends of Humans 2. Closest Relatives of Humans 3. Ancestry 4. Modern Human Beings 5. Classification. Contents: Evolutionary Trends of Humans Closest Relatives of Humans Ancestry of Humans [Early Evolution of Apes and Hominids] Modern Human Beings Classifications of Humans 1. Evolutionary Trends of Humans: […]
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