Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 26, Problem 7TY
Summary Introduction
Introduction: The Paleozoic era is subdivided into six periods: Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian. Periods are named after regions where rocks and fossils of that age were first discovered. . The Mesozoic era is divided into three periods, namely the Triassic, Jurassic and Cretaceous.
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Chapter 26 Solutions
Biology
Ch. 26.1 - Prob. 1CCCh. 26.1 - Prob. 2CCCh. 26.2 - Prob. 1CSCh. 26.2 - Prob. 1CCCh. 26.2 - Prob. 2CSCh. 26.3 - What are the defining features of primates?Ch. 26.3 - Core Skill: Modeling The goal of this modeling...Ch. 26 - Prob. 1TYCh. 26 - Prob. 2TYCh. 26 - Prob. 3TY
Ch. 26 - The endosymbiosis hypothesis explaining the...Ch. 26 - Prob. 5TYCh. 26 - Which of the following explanations of...Ch. 26 - Prob. 7TYCh. 26 - Prob. 8TYCh. 26 - Prob. 9TYCh. 26 - Which of the following statements regarding modern...Ch. 26 - Prob. 1CQCh. 26 - Prob. 2CQCh. 26 - Core Concept: Evolution Describe two examples in...Ch. 26 - Discuss the factors that have contributed to the...Ch. 26 - Discuss how the human body has changed since the...
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- The production of megaphylls by many different species of plants is an example of _____. a. parallel evolution b. analogy c. divergent evolution d. homologyarrow_forwardThe first forms of life on Earth were ________. a. plants b. microorganisms c. birds d. dinosaursarrow_forwardThe first forms of life on Earth were thought to be_________. a. single-celled plants b. prokaryotes c. insects d. large animals such as dinosaursarrow_forward
- The fossil record shows how ________________ a. dead organisms were buried b. organisms have changed over time and when organisms lived on Earth c. parents of the offsprings d. evolution occurredarrow_forward______ is a way of reconstructing evolutionary history based on derived characters. a. Cladistics c. Convergent evolution b. Linnaean taxonomy d. Divergent evolutionarrow_forwardTwo different plants, cactus from the desert southwest USA and a euphorb from South Africa, have similar adaptations to desert life- these similarities evolved independently in response to similar environmental conditions, they were not inherited for one shared ancestor of cactus and euphords . What is the best term for these adaptations? A. Synapomorphies B. Acclimations C. Homologous traits D. Analogous traitsarrow_forward
- Plant photosynthesis transformed a very large amount of atmosphericcarbon dioxide into decay-resistant organic compounds, thereby causinga dramatic decrease in atmospheric carbon dioxide levels during thegeological period known as thea. Cambrian.b. Ordovician.c. Carboniferous.d. Permian.e. Pleistocene.arrow_forwardThe evolution of various life forms on Earth is summarized in ________. a. the binomial naming system b. phylogenetic trees c. the taxonomic classification systemarrow_forwardOn the geologic time scale, life originated in the_____ . a. Archean c. Phanerozoic b. Proterozoic d. Cambrianarrow_forward
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