Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 30.4, Problem 5LO
Cite specific examples of how data from molecular systematics have confirmed or modified traditional animal phylogeny and identify the three major clades of bilateral animals.
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Chapter 30 Solutions
Biology (MindTap Course List)
Ch. 30.1 - Prob. 1LOCh. 30.1 - Prob. 1CCh. 30.2 - Compare the advantages and disadvantages of life...Ch. 30.2 - What are some advantages of marine environments...Ch. 30.2 - Prob. 2CCh. 30.3 - Prob. 3LOCh. 30.3 - Prob. 1CCh. 30.3 - Prob. 2CCh. 30.3 - Prob. 3CCh. 30.4 - Describe how biologists use morphology (including...
Ch. 30.4 - Cite specific examples of how data from molecular...Ch. 30.4 - Prob. 1CCh. 30.4 - What are some differences between protostomes and...Ch. 30.4 - Prob. 3CCh. 30 - Which of the following is not a characteristic of...Ch. 30 - Which of the following is not an adaptation to...Ch. 30 - The Cambrian radiation (a) occurred during the...Ch. 30 - The germ layer that gives rise to the outer...Ch. 30 - Prob. 5TYUCh. 30 - Prob. 6TYUCh. 30 - Prob. 7TYUCh. 30 - Prob. 8TYUCh. 30 - Prob. 9TYUCh. 30 - Prob. 10TYUCh. 30 - Prob. 11TYUCh. 30 - EVOLUTION LINK Examine the cladogram in Figure...Ch. 30 - Prob. 13TYUCh. 30 - Prob. 14TYU
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- Draw a simple cladogram illustrating the evolutionary relationships among extant mammals (marsupials, eutherians, and monotremes). Include the following characters in your cladogram: well-developed placenta, vivipary,endothermy, marsupium, hairarrow_forwardIn 1928 Walter Garstang hypothesized that tunicates resemble the ancestral stock of the vertebrates. Explain this hypothesis and evaluate its validity with recent phylogenetic, fossil, and developmental data.arrow_forwardHow is the traditional animal family tree similar or different from the phylogeny reflecting molecular data?arrow_forward
- Draw a phylogenetic tree showing the interrelationships among the 8 clades listed and a modern octopus (9 clades total) ‘arrow_forwardDiscuss adaptive advantages of the primate features with regards to human evolutionarrow_forwardA synapomophy is a shared, derived characteristic. This differs from a symplesiomorphy which is a shared_________________ characteristic. Synapomorphie characteristics are used to identify animals that share a common ancestor. For example, _________________share four synapomophic characteristics including a post-anal tail, a _________________ pharyngeal slits, and a dorsal hollow_______________ chord. These characteristics are derived in the MRCA of chordates, but_______________ in mammals.arrow_forward
- Identify the unique features that define the three livinglineages of mammals.arrow_forwardDescribe four shared derived characters of vertebrates.arrow_forwardAmphioxus 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_forward
- Draw three phylogenetic trees (cladograms) depicting the possible relationships between hemichordates, echinoderms and chordates. Briefly summarize the evidence supporting each alternative. Which appears to be the best-supported by recent DNA evidence?arrow_forwardOutline the evolution of humans from early primates.Include in your discussion such features as binocular vision,grasping hands, bipedal locomotion, toolmaking, and brainexpansion.arrow_forwardTarsiers are primates with unusual anatomical characteristics whose taxonomic classification has been heavily debated. How might the Tarsier example affect our interpretation of the fossil record of the early euprimates?arrow_forward
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