CAMPBELL MASTERING BIOLOGY ACCESS>I<
18th Edition
ISBN: 9781323766286
Author: Pearson
Publisher: PEARSON
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Chapter 27.1, Problem 1CC
Summary Introduction
To summarize:
Fossil and DNA evidences documenting the origin and early diversification of animals.
Concept introduction:
Fossils are preserved remains, impression, traces of extinct organisms from past geological age.
They are studied to deduce about the evolutionary history of organisms. According to one study, all animals evolved from single-celled eukaryotes that resembled the present day choanoflagellates.
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Provide a brief overview of the history of animal life on earth.
Summarize the evidence for evolution obtained from the fossil record.
explain the evolution of life. Comparison and description of the early organism and relate their characteristics with their environment.
Chapter 27 Solutions
CAMPBELL MASTERING BIOLOGY ACCESS>I<
Ch. 27.1 - Prob. 1CCCh. 27.1 - Prob. 2CCCh. 27.2 - What is the Cambrian explosion? Why is it...Ch. 27.2 - Prob. 2CCCh. 27.3 - Prob. 1CCCh. 27.3 - WHAT IF? Would it be accurate to describe the...Ch. 27.4 - Prob. 1CCCh. 27.4 - Describe two key adaptations of aquatic...Ch. 27.4 - MAKE CONNECTIONS The radiation of bilaterians in...Ch. 27.5 - Describe two adaptations that have enabled insects...
Ch. 27.5 - MAKE CONNECTIONS Compare and contrast how the...Ch. 27.6 - Describe three key amniote adaptations for life on...Ch. 27.6 - Prob. 2CCCh. 27.6 - WHAT IF? Which came first, the chicken or the egg?...Ch. 27.7 - Describe how ocean communities changed in the...Ch. 27.7 - Prob. 2CCCh. 27.7 - Prob. 3CCCh. 27 - Prob. 1TYUCh. 27 - Fossil steroid and molecular clock evidence...Ch. 27 - Which of the following was probably the least...Ch. 27 - Prob. 4TYUCh. 27 - Prob. 5TYUCh. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - FOCUS ON EVOLUTION In Figure 27.29, circle the...Ch. 27 - FOCUS ON ORGANIZATION Early tetrapods had a...Ch. 27 - SYNTHESIZE YOUR KNOWLEDGE Collectively, do these...
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- 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_forwardCite and explain the factors that led to an enormous bloom of animal diversity in the Paleozoic era.arrow_forwardDiscuss what the fossil record reveals about early animalevolution.arrow_forward
- Give some examples of living fossil.arrow_forwardShade the geological time range for each fossilized organism, marking the time period where each fossil belongs to in a darker color (see example for fossil #2: Batostomella gracilis ): Fossil #7: Mucrospirifer thedfordensis Fossil #16: Cardioceras species Fossil #17: Dinosaur bone Fossil #21: Otodus species Fossil #23: Dentalium sexangulare Fossil #24: Physa humerosaarrow_forwarddescribe fossil evidence of the earliest multicellular organisms and the earliest animals?arrow_forward
- With evolution and multicellularity in mind, list two characteristics that may have been common to the first animals.arrow_forwardCompare and contrast the difference between a prehistoric organism and modern-day organisms. What are the differences and similarities among those organisms?arrow_forwardAccurately depict the evolutionary relationships among spiders, birds, porifera, homosapiens, lampreys, nematoda, tuna, clam and jellyfish by listing them in order from most closely related to most distantly related. Indicate where different types of body symmetry arise and where major evolutionary features originated in vertebrates.arrow_forward
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Dig In To Paleontology; Author: SciShow Kids;https://www.youtube.com/watch?v=1FjyKmpmQzc;License: Standard YouTube License, CC-BY