Linzey - Vertebrate Biology - Glossary pdf

... and visceral arches in fishes and gill-breathing amphibians. 468 Glossary Linzey: Vertebrate Biology Back Matter Glossary © The McGraw−Hill Companies, 2003 Glossary A Abomasum. Fourth and last ... transport 460 Glossary Linzey: Vertebrate Biology Back Matter Glossary © The McGraw−Hill Companies, 2003 Density-dependent. Mortality that varies directly with population densi...

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... artic- ulation permits the typical vertical (up-and-down) move- ment of the head, whereas the atlas–axis articulation allows lateral (side-to-side) movements of the head. Linzey: Vertebrate Biology ... mid-1980s and Eosimias in 1994, the oldest well-documented anthropoids came from 36-million-year-old rocks in Egypt, suggesting that such creatures arose in Africa; however, the Eosimias f...

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... the 10,000-km trek to Baja—a distance spanning more than one-third of the globe—would rank among the longest docu- mented marine vertebrate migrations. Bowen, 1995 Linzey: Vertebrate Biology 11. ... winters in Mexico. Thus, this 9-cm-long bird may migrate a total of 3,000 km each way between its sum- mering and wintering grounds (Diamond, 1990b). Linzey: Vertebrate Biology 11. Mov...

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... by other sala- manders and frogs. In some cases, the male parent guards the eggs. Altricial One-day-old meadowlark Precocial One-day-old ruffed grouse FIGURE 1.21 Comparison of 1-day-old altricial ... Companies, 2003 The Vertebrate Story: An Overview 17 TABLE 1.1 Demographic and Life-History Attributes Associated with r- and K-Type Populations of Amphibians and Reptiles Attributes r-type K...

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... class of vertebrates are given in Chapters 4–6, 7, and 9. Linzey: Vertebrate Biology 2. Systematics and Vertebrate Evolution Text © The McGraw−Hill Companies, 2003 44 Chapter Two Vertebrate ... reconsidered. Systematic Zoology 27:17–26. Linzey: Vertebrate Biology 2. Systematics and Vertebrate Evolution Text © The McGraw−Hill Companies, 2003 Systematics and Vertebrate Evolu...

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... primitive Linzey: Vertebrate Biology 4. Early Chordates and Jawless Fishes Text © The McGraw−Hill Companies, 2003 Early Chordates and Jawless Fishes 81 (a) (b) (a) Arandaspis, a 470-million-year-old ... believed that cephalochordates were the probable vertebrate ancestors. As evidence, they cited the discovery of the mid-Cambrian 52 0- million-year-old Pikaia gracilens, a cephaloc...

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... of the yolk sac form a pla- centa-like connection to the wall of the uterus, which sup- plies the developing young with nourishment during the remainder of the 9- to 12-month gestation period. In ... sim- ilar in the different groups of vertebrates, they will be dis- cussed here. In the other vertebrate groups, discussion will focus only on instances where a hormone has a different func-...

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... forms was estab- lished by the end of the Devonian. Two other groups of labyrinthodonts evolved: the tem- nospondyls and the anthracosaurs. Members of the order Tem- Linzey: Vertebrate Biology 6. ... replaced an indefinite num- ber of times if lost or injured, which is known as polyphyo- dont dentition. Because amphibians do not chew their food, Linzey: Vertebrate Biology 6. Amphibi...

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... males. (a) 6 0- to 80-ton titanosaur; (b) 55-ton Supersaurus; (c) 45-ton Brachiosaurus (=Ultrasaurus); (d) 13-ton Shantungosaurus; (e) 6-ton Triceratops; (f) 7-ton Tyrannosaurus; (g) 16-ton Indricotherium; ... (g) 16-ton Indricotherium; (h) 2-ton Rhinoceros; (i) 5-ton Megacerops; (j) 10-ton Mammuthus; (k) 6-ton Loxodonta; (l) 0.3-ton Panthera; (m) 1-ton Scutosaurus; (n) 1-ton Megalania. Hu...

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... Besides their function of allowing side-to-side movement of the vertebral column, epaxial muscles take on new functions including support and Linzey: Vertebrate Biology 8. Reptiles: Morphology, Reproduction, ... series of long-chain methyl ketones (Mason et al., 1989). Females of related groups of snakes have some of the same methyl ketones as well as variations of the com- Linzey: Ve...

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