Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 15, Problem 8WIO
Summary Introduction
To determine:
What scientists can learn by comparing the fossilized skeletons of extinct primates with the bones of modern species.
Concept introduction:
Fossil records are preserved remains or impressions of extinct living organisms. They are a valuable tool to study about the evolutionary history of organisms. They are also helpful in the classification of organisms. The role of fossils is invaluable in deciphering the course of human evolution.
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Chapter 15 Solutions
Biology: Concepts and Investigations
Ch. 15.1 - How were conditions on Earth before life began...Ch. 15.1 - Prob. 2MCCh. 15.1 - Prob. 3MCCh. 15.1 - Prob. 4MCCh. 15.2 - How might the endoplasmic reticulum, nuclear...Ch. 15.2 - Prob. 2MCCh. 15.2 - Prob. 3MCCh. 15.3 - Prob. 1MCCh. 15.3 - What types of organisms flourished in the...Ch. 15.3 - How did Palaeozoic life diversify during the...
Ch. 15.3 - Prob. 4MCCh. 15.3 - Prob. 5MCCh. 15.3 - Prob. 6MCCh. 15.4 - Prob. 1MCCh. 15.4 - Prob. 2MCCh. 15.4 - Prob. 3MCCh. 15.4 - Prob. 4MCCh. 15.5 - Prob. 1MCCh. 15.5 - Prob. 2MCCh. 15 - Place the following events in Earths history in...Ch. 15 - Prob. 2MCQCh. 15 - Photosynthetic cells affected early Earth by a....Ch. 15 - Prob. 4MCQCh. 15 - Prob. 5MCQCh. 15 - Prob. 6MCQCh. 15 - Why was the Mesozoic era extinction significant to...Ch. 15 - Primates share all of the following...Ch. 15 - Prob. 9MCQCh. 15 - DNA evidence suggests that modern humans a. share...Ch. 15 - Explain how the origin of self-replicating...Ch. 15 - Prob. 2WIOCh. 15 - Review the structures of nucleic acids and...Ch. 15 - Prob. 4WIOCh. 15 - The amoeba Pelomyxa palustris is a single-celled...Ch. 15 - Prob. 6WIOCh. 15 - Distinguish among the terms primate, hominid,...Ch. 15 - Prob. 8WIOCh. 15 - Prob. 9WIOCh. 15 - Compare todays changing culture to biological...Ch. 15 - Prob. 11WIOCh. 15 - Prob. 1PITCh. 15 - Refer to figure 15.31 and the chapter content to...Ch. 15 - Refer to figure 15.31 and the chapter content to...
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- Discuss: How old are the oldest camel fossils shown? How has the skull changed over time? How have the teeth changed over time? How have the leg bones changed over time? Table 15.1 Fossils are used by scientists to understand how camels evolved. Table 15.1 Camel Evolution Age Paleocene 65 million years ago Eocene 54 million years ago Organism Skull and teeth Limb bones Oligocene 33 million years ago Miocene 23 million years ago Presentarrow_forwardElaine Morgan makes the case that humans may have an aquatic ancestor in recent evolutionary past. What are the evidence that are needed to support the aquatic ape hypothesis?arrow_forwardExplain the significance of the discovery of Archaeopteryx. Why did this fossil demonstrate beyond reasonable doubt that birds are grouped phylogenetically with dinosaurs?arrow_forward
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- Pharyngeal slits are which of the following? Question 24 options: a) Openings in the pharynx. In aquatic chordates they allow for exit of water that enters the mouth. b) Elongations of the posterior portion of the body. Use for locomotion in fish, or balance in some terrestrial vertebrates. c) Flexible, rod-shaped structures that grows from mesoderm. Gives support to an animal in embryonic development of chordates or for entire life depending on the species. d) Tissues that produces thyroid type hormones. e) Hollow tubes that develops from ectoderm. Develops into the central nervous system.arrow_forwardIn vertebrates, what anatomical structure partially or completely replaces the notochord? 1.) lateral-line system 2.) cartilage or a bony skeleton 3.) endostyle 4.) dorsal hallow nerve cordarrow_forwardBoth alligators and pigeons have well-developed parental care strategies where the young are attended to when they are juveniles. What type of parental care would you predict for Velociraptor or Triceratops? Is there evidence of parental care among fossil dinosaurs? If so, does that agree with what the phylogeny predicts?arrow_forward
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