The Origin and Radiation of Birds 21. Philosophical Transactions of the Royal Society B: Biological Sciences. Major Lineages of Mammals Multituberculates Monotremes Marsupials Placentals 25. The vertebrates are the only group to exhibit , the concentration of functions in the head. Geography and Ecology of the Cenozoic 20.
Dealing with Dryness: Ectotherms in Deserts Desert tortoises The chuckwalla Desert amphibians 15. Communication and Social Behavior 18. Hybridization among species of Homo 26. Harvey Pough began his biological career at the age of fourteen when he and his sister studied the growth and movements of a population of eastern painted turtles in Rhode Island. Trophy Hunting Endangering the endangered: The effect of perceived rarity The extinction vortex Chapter 26. Toxins, Venoms, and Other Defense Mechanisms Skin glands Toxicity and diet Venomous amphibians 11.
Feet Hopping, walking, and running Climbing Swimming 22. Facultative Hypothermia Seasonal hypothermia Rest-phase hypothermia Hibernation 20. Currently he is teaching a year-long introductory biology course. Ecology and behaviour of Mesozoic reptiles. The front end of the nerve tube is expanded by a thickening of the walls and expansion of the into three primary brain vesicles: The forebrain , midbrain and hindbrain , further differentiated in the various vertebrate groups. All of these early vertebrates lacked in the common sense and relied on filter feeding close to the seabed.
Evolutionary Diversification of Chondrichthyes Paleozoic chondrichthyan radiations The Mesozoic chondrichthyan radiation Paleozoic and Mesozoic chondrichthyan paleobiology Chapter 7. Important advances in vertebrate biology are highlighted, including the increasing influence of molecular phylogenies, insights provided by evo-devo, and our growing appreciation of the significance of developmental plasticity and epigenetics. Morphology of Extant Chondrichthyans Skeleton Jaws Skin 7. Pollution, Overfishing, and Fish Farming Freshwater fishes Marine fishes Chapter 10. Empty stomachs were more frequent in autumn, in individuals far from cave entrance and in juveniles.
While the more derived lack gills, the gill arches form during , and form the basis of essential structures such as , the , the , the columella corresponding to the in and, in mammals, the. The Crocodylomorph Lineage Notosuchia Neosuchia 18. These are reduced in adulthood, their function taken over by the gills proper in fishes and by in most amphibians. It is concluded that the digestive apparatus of the rock cavy has variations in the dentition, lingual papillae, and acini of the salivary glands when compared to other rodents. The Structure and Function of Dinosaurs Hips and legs Dinosaur lineages 19. Reptile metabolism is slow, being one-fifth to one-seventh that of a mammal of equivalent size.
Others consider them a sister group of vertebrates in the common taxon of craniata. Heterothermal Fishes Warm muscles Hot eyes 9. Turtle Structure and Function Lung ventilation The heart Patterns of circulation and respiration Body size and temperature regulation 16. Life Histories of Amphibians Salamanders Anurans The ecology of tadpoles Caecilians 11. Living in Water 5 Geography and Ecology of the Paleozoic Era 6. The duodenum, jejunum and ileum have villi. Endotherms in the Heat Temperature stress and scarcity of water Strategies for desert survival Avoidance Relaxation of homeostasis by hyperthermia Hypothermia in the desert Chapter 21.
Neural crest cells migrate through the body from the during development, and initiate the formation of and structures such as the jaws and skull. Inbreeding was observed to increase juvenile mortality in 11 small animal species. Balancing Heat Production with Heat Loss Whole-body metabolism Shivering and non-shivering thermogenesis Insulation Evaporative cooling 20. Esophagus, stomach, small intestine duodenum, jejunum, and ileum , and the large intestine cecum, colon, and rectum are found. How frequently does live bearing evolve in egg-laying lineages? Toxins, Venoms, and Other Defense Mechanisms Skin glands Toxicity and diet Venomous amphibians 11.
Cooperative breeding in birds typically occurs when offspring, usually males, delay dispersal from their natal group in order to remain with the family to help rear younger kin. Some amphibians retain the external larval gills in adulthood, the complex internal system as seen in fish apparently being irrevocably lost very early in the evolution of. We are studing the relationship of shape with the mode of locomotion i. Harvey Pough and Christine M. Conserving Water in a Dry Environment 12.