CUSTOM BIOLOGY
19th Edition
ISBN: 9781323945490
Author: Urry
Publisher: Pearson Custom Publishing
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Chapter 22, Problem 22.3CR
Summarize the different lines of evidence Supporting the hypothesis that cetaceans descended trom land mammals and are closely related to even-toed ungulates.
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Compare 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.
This is a potential phylogenetic tree created by anthropologists at UC Berkeley.A-Ardipithecus ramidusB-Australopithecus anamensisC-Australopithecus afarensisD-Australopithecus africanusE-Paranthropus aethiopicusF-Paranthropus robustusG-Paranthropus boiseiH-Australopithecus garhiI-Homo rudolfensisJ-Homo habilusK-Homo ergasterL-Homo erectusM-Homo heidelbergensisN-Homo neanderthalensisO-Homo sapiens What kinds of evidence to you think anthropologists used to create this tree?
Cite and explain the factors that led to an enormous bloom of animal diversity in the Paleozoic era.
Chapter 22 Solutions
CUSTOM BIOLOGY
Ch. 22.1 - How did Hutton's and Lyell's ideas influence...Ch. 22.1 - MAKE CONNECTIONS Scientific hypotheses must be...Ch. 22.2 - How does the concept of descent with modification...Ch. 22.2 - WHAT IF? If you discovered a fossil of an extinct...Ch. 22.2 - Prob. 3CCCh. 22.3 - Explain how the following Statement is inaccurate:...Ch. 22.3 - How does evolution account for (a) the similar...Ch. 22.3 - Prob. 3CCCh. 22 - Why was the age of Barth important for Darwin's...Ch. 22 - Describe how overreproduction and heritable...
Ch. 22 - Summarize the different lines of evidence...Ch. 22 - Level 1: Knowledge/Comprehension 1. Which of the...Ch. 22 - Which of the following observations helped Darwin...Ch. 22 - Prob. 3TYUCh. 22 - Prob. 4TYUCh. 22 - DNA sequences in manv human genes are very similar...Ch. 22 - EVOLUTION CONNECTION Explain why anatomical and...Ch. 22 - SCIENTIFIC INQUIRY DRAW IT Mosquitoes resistant...Ch. 22 - WRITE ABOUT A THEME: INTERACTIONS Write a Short...Ch. 22 - SYNTHESIZE YOUR KNOWLEDGE This honeypot ant (genus...
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- Describe the evidence suggesting that chimpanzees are theclosest living relatives of humans.arrow_forwardWhich of the following is the most likely category to which this specimens belongs? *Hint: There are at least three clear indicators that you can observe in this specimen. -Anatomically Modern Human -Pre-australopith -Gracile Australopith -Neandertalensis -Robust Australopithecine -Early Genus Homoarrow_forwardDescribe the major evolutionary advancements that took place among the australapiths and the early Homo species (e.g. Homo habilis & Homo erectus). In other words, what did modern humans gain from the australeiths and the early Homo? (Include the evolution of bipedalism, diet/fallback foods, body structure, tools, etc.)arrow_forward
- Amphioxus long has been of interest to zoologists searching for a vertebrate ancestor. Explain why amphioxus captured such interest and how it is different from the hypothesized most recent common ancestor of all vertebrates.arrow_forwardProvide an example in which different features of organisms in the hominin evolutionary lineage evolved atdifferent rates.arrow_forwardGive typing answer with explanation and conclusion to all parts What evidence shows that the most recent common ancestor of chimpanzees and humans was much more arboreal than modern humans are? We spoke of paleoenvironmental processes that changed the ecological environmental conditions in Africa somewhere around 7 million years in Africa: which are they? How would have these processes might have selected for a less arboreal lifestyle in the human lineage? Why did the same changes not evolve in the chimpanzee lineage?arrow_forward
- Primate taxa having Y-5 molars AND ischial callosities include: Group of answer choices: ceboidea hylobatidae tarsiiformes cercopithecidaearrow_forwardAccording to "Life and Death 3MYA", what are the Laetoli footprints? A.Fossilized footprints of Neanderthals walking across the landscape thousands of years ago B.Fossilized footprints and handprints of Australopithecines walking on all fours across the landscape millions of years ago C.Fossilized footprints of Ardi walking across the landscape millions of years ago D.Fossilized footprints of Australopithecines walking across the landscape millions of years agoarrow_forwardNeanderthals are recognizably human but have distinctive facial features and a stocky build that were evolutionary adaptations to cold, dry environments. They shared Europe for 10,000 years with Homo sapiens. Today they no longer exist. Beyond these facts the fate of Neanderthals has generated much debate. Why did Neanderthalsbecome extinct? State at least two major factors toexplain their fate.arrow_forward
- Summarize the evidence regarding the sum of evolutionariy modifications from the given putative ancestor form to the derived descendent. Demonstrate some competence and understanding in terms of the taxa involved(List at least three or four of the genera involved as examples) and the anatomical features that were modified over the generations. Fish to tetrapod, Ungulate to whale, ape-like primate to Homo sapiensarrow_forwardExplain how a cladistic classification for the vertebrates produces important regroupings of the traditional vertebrate taxa (refer to Figure 23.2). Why are Agnatha and Reptilia, as traditionally recognized, inconsistent with cladistic principles?arrow_forwardGreat Transitions Interactive: Human Origins Stone Tools Trace Fossils " Body. Fossils MYA 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 NAME Pan troglodytes Homo sapiens Homo erectus Homo habilis Australopithecus afarensis Ardipithecus ramidus Brain volume (cm³) -400 -1350 770-925 630-680 380-550 300-350 FACIAL FEATURES Steep facial slope N Y Y Y N N Small canines N Y Y Y Y Y Bowl-shaped pelvis N Y Y Y Y Y BIPEDAL ADAPTATIONS Legs > arms N Y Y N N hhmi Biolnteractive N Big toe in line with stride N Y Y Y Y N Introduction Key Concepts Credits Helparrow_forward
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