Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 22, Problem 3TY
Summary Introduction
Introduction:
The study of how the biodiversity that people know today came into existence is called evolutionary biology. It is important to study without which biological concepts cannot be studied. It is also important to study for conservation and management of the biodiversity.
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In your Introduction to Biological Anthropology class, your instructor asks you to examine a fossil skull and determine which species it is. You note there is a sagittal keel at the top of the skull. Based on this information alone, to which species does the skull belong?
A. Australopithecus boisei
B. Homo habilis
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D. Homo erectus
"Vertebrae" would be an example of an:
I) autapomorphy II) plesiomorphy III) synapomorphy IV) symplesiomorphy
According 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.
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Chapter 22 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 22 - Do you think the skeletons of Liang Bua Cave...Ch. 22 - Is it important that we try to discover the...Ch. 22 - Describe the three key elements of evolution.Ch. 22 - Explain how a fossil is created.Ch. 22 - List some of the main sources of evidence for...Ch. 22 - Prob. 4CRCh. 22 - Prob. 5CRCh. 22 - Prob. 6CRCh. 22 - Explain how rising atmospheric concentrations of...Ch. 22 - List the features that make Hominidae different...
Ch. 22 -
9. Describe the origins of Homo sapiens.
Ch. 22 - Explain why racial differences may disappear...Ch. 22 - Prob. 1TYCh. 22 - Prob. 2TYCh. 22 - Prob. 3TYCh. 22 - Vestigial structures, homologous structures, and...Ch. 22 -
5. Which of the following statements about...Ch. 22 - Which of the following best describes evolutionary...Ch. 22 - Prob. 7TYCh. 22 - Genetic drift is most likely to affect: a. every...Ch. 22 -
9. Which of the following would be described as...Ch. 22 - Which of the following statements is true? a. Mass...Ch. 22 - In what order did events occur that led to life on...Ch. 22 - Prob. 12TYCh. 22 -
13. Which of the following statements about the...Ch. 22 - Prob. 14TYCh. 22 - Which of the following is not believed to be a...Ch. 22 - Prob. 1AWKCh. 22 - Prob. 2AWKCh. 22 - Critics of evolution often charge, correctly as it...Ch. 22 - Prob. 4AWKCh. 22 - Prob. 5AWKCh. 22 - It is believed that humans evolved in Africa and...Ch. 22 - Prob. 7AWKCh. 22 - Of all the great evolutionary advances of life on...
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- According 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_forwardYou are reading a scientific paper regarding the relationships of the anatomical and behavioral characteristics of chimpanzees and their implications for early hominid evolution. With the emphasis on anatomical and behavioral characteristics, this implies that the researchers are relying on A. Traditional classifications of chimpanzees and humans B. Nonevolutionary classifications of chimpanzees and humans C. An incorrect classification of human ancestors D. Cladistic classifications of chimpanzees and humansarrow_forwardBoth octopuses and cuttlefish have a single-lens eye. Their common ancestor also had a single-lens eye. What word describes the relationship between the octopus eye and the cuttlefish eye? a. homologous c. analogous b. vestigial d. convergentarrow_forward
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- According to " Denisovans: Decoding the Secrets of Our Mysterious Ancient Cousins”, what do scientists think the Denisovans looked like? A.Denisovans teeth are larger than ours and more like Australopithecines B.They probably had bigger brow ridges than us and more facial prognathism than us C.They had broad shoulders, wide hips and a stocky stature D.All of the abovearrow_forwardThe wing of a bird and the arm of a human are examples of ______. a. vestigial structures b. molecular structures c. homologous structures d. analogous structuresarrow_forwardWhich of the following pairs of structures are homoplastic? a. the wing skeleton of a bird and the wing skeleton of a bat b. thewingofabirdandthewingofafly c. theeyeofafishandtheeyeofahuman d. the bones in the foot of a duck and the bones in the foot of a chicken e. the toes on the foot of a lizard and the toes on the foot of a humanarrow_forward
- Which pairs of animals shows a correct example of the homologous structure A.Tongue of frog and proboscis of mosquito. B.Fingers of human and arm of starfish C.Wings of butterfly and wings of bat. D.Flipper of whale and forelimb of cat.arrow_forwardWhich of the following is NOT a derived trait in primates? A. Claws B. Opposable fingers/toes C. Postorbital bar/plate D. Trichromacyarrow_forwardScientists compare the structures of a chicken embryo and a human embryo at the same stage of development. They find that both vertebrates have similar shapes and structures, including the presence of gill slits and tails. How is this comparison of the embryos used as supporting evidence of evolution? A. The similarities suggest that chickens and humans are the direct descendants of modern day fish with tails and gill slits. B. The similarities suggest that vertebrates passthrough each of the adult stages of their evoluntionary history as they develop. C. The similarities suggest that vertebrates can undergo genetic changes during development that lead to the evolution of new species D. The similarities suggest that chickens and humans descend from ancestors with genes that code for the development of tails and gill slitsarrow_forward
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