EP CONNECT ONLINE ACCESS FOR BIOLOGY:
5th Edition
ISBN: 9781260542226
Author: Hoefnagels
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 15, Problem 6MCQ
Summary Introduction
Introduction:
The life originated on earth around
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Compare the values below. Which is greater, or are the two
values equal?
A. Likelihood of finding fossils of oligochaetes
B. Likelihood of finding fossils of bivalves
A is greater than B
O B is greater than A
O the values are equal
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What type of data is primarily used to determine the existence and appearance of early animal species? a. molecular data b. fossil data c. morphological data d. embryological development data
Which of the following periods is the earliest during which animals may have appeared? a. Ordovician period b. Cambrian period c. Ediacaran period d. Cryogenian period
Chapter 15 Solutions
EP CONNECT ONLINE ACCESS FOR BIOLOGY:
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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- The following graph shows the number of tetrapod (four-limbed animal) families on Earth over time, as indicated by the fossil record. The arrows indicate major mass extinction events. 350 end-Cretaceous 300 extinction end-Triassic 250+ extinction 200- end-Permian 150+ extinction 100+ 50- 300 250 200 150 100 50 Million years ago Number of tetrapod familiesarrow_forwardAccording to the phylogeny below, which of the following statements is true? Branch point (common ancestor) Lungfishes Amphibians Mammals etrapod limbs Amnion Lizards and snakes Crocodiles Homologous characteristic Otriches +6 Feathers Hawks and other birds A. The most recent common ancestor of all the species shown had tetrapod limbs. B. Amphibians are more closely related to ostriches than they are to lungfish. ) The most recent common ancestor of amphibians and mammals had amnion but did not have four walking limbs. O D. Amnion evolved earlier that the evolution of tetrapod limbs. DE. Crocodiles are more closely related to ostriches than ostriches are to hawks and other birds. Tetrapods Amniotes Birdsarrow_forwardWhich of the following groups of early-diverging animals is comprised of two layers of cells that float around in the ocean? a. Cnidaria b. The sponges c. Ctenophores d. Placozoaarrow_forward
- Which of these are considered the first true primates? a.Anthropoids b.Proconsulids c.Euprimatesarrow_forwardhomed dinos roc and erosurs duckb mored sauropods prosauropods other theropods watives theropods (meal eating dinosaurs) omithischians (bird-hipped dinosaurs) saurischians (lizard- hipped dinosaurs) dinosaurs omithodirans (archosaurs related to archosaurs (ruling reptiles) Using the cladogram above, answer the questions below considering the type of grouping and character: Itarrow_forwardReading a Phylogenetic Tree Use the tree below to answer the questions. A Cladogram Fig. 12.1 LANCELET LAMPREY GROUPER SALAMANDER TURTLE WOLF HAIR AMNIOTIC EGGS FOUR LEGGED LOCOMOTION JAW BONES VERTEBRAL COLUMN Which organism(s) on this tree have jaw bones: lancelet grouper salamander lamprey wolf turtle O Oarrow_forward
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