Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 28, Problem 19RQ
Summary Introduction
To determine: The way in which the genera Homo and Australopithecus differ.
Introduction: Genetic evidence showed that about 7–10 million years ago, humans were evolved from chimpanzees. The evolution of skeletal variations between other hominids and humans is linked with changes in posture and diet.
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Chapter 28 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 28 - Describe the evolution of mammals, tracing their...Ch. 28 - Describe structural and functional adaptations...Ch. 28 - Hair is hypothesized to have evolved in therapsids...Ch. 28 - What is distinctive about each of the following:...Ch. 28 - Describe location and principal function(s) of...Ch. 28 - Define diphyodont and heterodont and explain why...Ch. 28 - Prob. 7RQCh. 28 - Most herbivorous mammals depend on cellulose as...Ch. 28 - How does fermentation differ between horses and...Ch. 28 - Prob. 10RQ
Ch. 28 - Describe the annual migrations of barren-ground...Ch. 28 - Prob. 12RQCh. 28 - Describe and distinguish patterns of reproduction...Ch. 28 - Distinguish between territory and home range for...Ch. 28 - Describe the hare-lynx population cycle,...Ch. 28 - Prob. 16RQCh. 28 - Prob. 17RQCh. 28 - What role do the fossils named Ardi and Lucy play...Ch. 28 - Prob. 19RQCh. 28 - When did the different species of Homo appear and...Ch. 28 - Prob. 1FFT
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- What are examples of the following groups of vertebrates: Chondrichthyes, Actinopterygii, Actinistia, Dipnoi, and Tetrapoda? How many species are in each of the above groups? Which one has the most species? When did the first vertebrates appear, and when did they first live on land? Where do we find the earliest fossils of vertebrates, and where do we find the earliest fossils of terrestrial (land-living) vertebrates? What are the following and how are they related to humans: Pongo, Gorilla, Pan, Sahelanthropus, Ardipithecus, Australopithecus, Homo erectus, and Homo neanderthalensis? Which of these is our closest living relative? What are some of the traits that these organisms share with us? When and where did each of the extinct forms above live? What does this tell us about when our lineage split from the most recent ancestor we share with our closest living relative?arrow_forwardWhat era did Australopithecus afarensis evolve?arrow_forwardWhat are the key events in the evolution of the animals?arrow_forward
- What are the general reasons of animals' existence in each era: Cenozoic, Mesozoic, and Paleozoic?arrow_forwardGive certain primitive characters with all members of kingdom Animalia (adapted from Krempels and Lee, 2013). List five primitive characters all humans share with all other animals, but not with any other living things.arrow_forwardWhat are the similarities and differences in the life strategies and/or structures for survival and adaptation of Eutherians vs. Therians?arrow_forward
- What does radial symmetry means? What is the type of symmetry found in chordates? Which are other phyla of the animal kingdom that present species with radial symmetry?arrow_forwardWhat makes Archeopteryx an important fossil evolutionarily? This species has a mix of characters that suggest it was a "transitional" species between two large groups, dinosaurs and birds. This species is the oldest known, universally agreed upon, fossil of life, and therefore tells up what the common ancestor to all living things might have been like. This species is thought to be the last common ancestor between chimps and humans, and therefore is the root of our own specific group (homonins). This species has a mix of characters that suggests is was a "transitional" species between two large groups, fish and amphibians.arrow_forwardWhat role do you think phylogenetic ancestors play in the evolutionary development of certain marine mammals?arrow_forward
- Which major groupings of animals defined on the basis of morphological characters have been confirmed by molecular sequence studies?arrow_forwardWhat are Hox Genes and how to they contribute to the creation of a variety of animal body morphology? Describe Phylum Porifera. What are the distinguishing characteristics and which organisms belong here? Explain the three main levels of Biodiversity. Describe the main threats to biodiversity caused by humans. Describe the ways humans attempt to conserve biodiversity of landscapes and regions?arrow_forwardCompare and contrast the specimens of H. habilis with H. rudolfensis. Some paleoanthropologists believe these specimens represent one species, but differ because one is female and one is male. Others believe them to be different species. What do you think? Support your answer using anatomical evidence. Name the key anatomical features and behaviors that set the earliest member of our genus, H. habilis, apart from the australopithecines and that are defining characteristics of the genus Homo.arrow_forward
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