Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
8th Edition
ISBN: 9780133909029
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 5TYK
Fossils suggest that the first major trait distinguishing hominins from other primates was
a. a larger brain.
b. erect posture.
c. forward-facing eyes with depth perception.
d. tool making.
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Chapter 19 Solutions
Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
Ch. 19 - Connecting the Concepts 1. In the primate...Ch. 19 - Prob. 2CCCh. 19 - A lamprey, a shark, a lizard, and a rabbit share...Ch. 19 - Why were the Tiktaalik fossils an exciting...Ch. 19 - Fossils suggest that the first major trait...Ch. 19 - Which of the following correctly lists possible...Ch. 19 - Which of these is not a member of the anthropoids?...Ch. 19 - Studies of DNA support which of the following? a....Ch. 19 - The earliest members of the genus Homo a. had a...Ch. 19 - Compare the adaptations of amphibians and reptiles...
Ch. 19 - Birds and mammals are both endothermic, and both...Ch. 19 - What adaptations inherited from our primate...Ch. 19 - Summarize the hypotheses that explain variation in...Ch. 19 - A good scientific hypothesis is based on existing...Ch. 19 - Explain some of the reasons why the human species...Ch. 19 - Anthropologists are interested in locating areas...Ch. 19 - SCIENTIFIC THINKING By measuring the fossil...
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- Which of the following is one of the main tendencies observed in early hominins, such as australopithecines? A. Decrease in the number of incisors B. Reduced canine size C. Increased facial prognathism D. Increased diastemaarrow_forwardCephalopods have complex eyes that arose separately from vertebrate eyes that are also used in vision. What's this an illustration of? A. Analogous structures B. Vestigial structures C. Homologous structures D. Missing linksarrow_forwardBased on the diagram, which statement is true about the evolution of animals? A. Echinoderms evolved after chordates. B. Mineralized skeletons deveoloped before notocords. C. Chrondricthyes share chordate ancestors with myxini. D. The ancestral deutrosome had a notocord and vertebraearrow_forward
- Which of the following is NOT an ancestral trait in primates? A. Trichromacy B. Having Nocturnal Adaptations C. Fur D. Clawsarrow_forwardAccording to "Our Earliest Ancestors", what two things distinguish us (and other hominins) from other primates? A.Bipedalism and Tool Use B.Bipedalism and Telepathy C.Bipedalism and Large Brains D.Quadrupedalism and Large Brainsarrow_forwardAccording to "Our Earliest Ancestors", what two things distinguish us (and other hominins) from other primates? A.Bipedalism and Large Brains B.Bipedalism and Tool Use C.Quadrupedalism and Large Brains D.Bipedalism and Telepathyarrow_forward
- What is one anatomical difference between Australopithecines and other early hominins, such as Ardi? A. There were no anatomical differences between Ardi and the Australopithecines. B. Ardi had a divergent big toe while the Australopithecines had non-divergent big toes. C. Australopithecines had more facial prognathism than Ardi. D. Australopithecines had larger canines than Ardi.arrow_forwardAccording to "Our Earliest Ancestors", what is unique about the specimen Ardi? A.She had a long, bony tail. B.All of the bones in her skeleton indicated she walked upright all of the time, just like us. C.Ardi had a divergent big toe (like chimps) but femurs and hips that indicate she walked upright occassionally. D.Her skeleton was the largest ever found and she likely was over 8 feet tall.arrow_forwardLampreys are jawless fish. Which conclusion about lamprey evolution is supported by the evidence in the diagram? A. Lampreys developed after hinged jaws formed. B. Lampreys once had hinged jaws but lost them during evolution. C. Lampreys are invertebrates and could not develop hinged jaws. D. Lampreys diverged from other vertebrates before hinged jaws evolved.arrow_forward
- What kind of tools did Lucy and other Australopithecines most likely use? A. An advanced stone tool like the Acheulean hand axe B. Wheelbarrows C. A bow and arrow D. A crude stone tool like the Oldowan Chopperarrow_forwardHow can evolutionary relationships among organisms be determined by comparing embryonic development? A. Embryos of fish and mammals share no similarities B. Embryos retrace their ancestral stages during embryonic development C. Embryos of more closely related organisms show greater similarities in development D. Embryos that develop inside eggs lack similarities to placental mammalsarrow_forwardAccording to "Our Earliest Ancestors", what is unique about the specimen Ardi? A.Her skeleton was the largest ever found and she likely was over 8 feet tall. B.All of the bones in her skeleton indicated she walked upright all of the time, just like us. C.She had a long, bony tail. D.Ardi had a divergent big toe (like chimps) but femurs and hips that indicate she walked upright occassionally.arrow_forward
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