Let us learn about the comparison between odonoceti and mysticeti. Comparison # Odentoceti: 1. Skull: Asymmetrical in the upper surface. 2. Nasal passages: Directed upward and forward. 3. External nostrils: Unite to form a single hole. 4. Teeth: Persist after birth. 5. Baleen-plates: Absent. 6. Maxilla: Covers most of the orbital process of frontal. 7. […]
The below mentioned article provides a study note on cetaceans. Cetaceans are true aquatic mammals. There are two lineages among extant cetaceans. One lineage is Mysticeti which includes baleen whales, and the other lineage is Odontoceti that contains the toothed whales (dolphins, porpoises and other toothed whales). The baleen whales are mainly zooplankton feeders (Zooplanktonophagous) […]
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. […]
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