Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 32, Problem 9TYPSS
Consider the evolution of protostomes (Chapter 31) and deuterostomes (this chapter): (1) Compare adaptations in protostomes and deuterostomes for living on land. (2) Recall that changes in the expression patterns of tool-kit genes in arthropods such as insects enabled a dramatic diversification of their segmented appendages and bodies. Design an experiment to test whether this concept applies to vertebrates.
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Mammals belong to a group of amniotes known as synapsids. Three major lineages of mammals had emerged by the early Cretaceous period. In a tabulated form, compare these three lineages to illustrate their diversity in terms of: a. Embryonic developmen, b. How the young are fed and c. Period of gestation
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Chapter 32 Solutions
Biological Science (6th Edition)
Ch. 32 - True or false? Both echinoderms and vertebrates...Ch. 32 - 2. What trait(s) define(s) the vertebrates?
a....Ch. 32 - The two major lineages that make up the living...Ch. 32 - Most species of hominins are known only from...Ch. 32 - Mammals and birds are both endothermic. Which...Ch. 32 - MODEL Sketch a simple model of a generic chordate...Ch. 32 - 7. There is some evidence that pharyngeal slits...Ch. 32 - MODEL Draw a phylogeny of modem humans that would...Ch. 32 - 9. Consider the evolution of protostomes (Chapter...Ch. 32 - 10. MODEL Genetic diversity in living human...
Ch. 32 - Prob. 11PIATCh. 32 - CAUTION How is the opossum related to you? a. An...Ch. 32 - 13. Gene expression patterns can be used to test...Ch. 32 - 14. PROCESS OF SCIENCE Researchers studied mice...Ch. 32 - 15. The image of the opossum skull shows that the...Ch. 32 - Evolution often results in the co-option of a...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Pharyngeal slits are which of the following? Question 24 options: a) Openings in the pharynx. In aquatic chordates they allow for exit of water that enters the mouth. b) Elongations of the posterior portion of the body. Use for locomotion in fish, or balance in some terrestrial vertebrates. c) Flexible, rod-shaped structures that grows from mesoderm. Gives support to an animal in embryonic development of chordates or for entire life depending on the species. d) Tissues that produces thyroid type hormones. e) Hollow tubes that develops from ectoderm. Develops into the central nervous system.arrow_forwardMammals belong to a group of amniotes known as synapsids. Three major lineages of mammals had emerged by the early Cretaceous period. In a tabulated form, compare these three lineages to illustrate their diversity in terms of: a. Embryonic development b. How the young are fed c. Period of gestationarrow_forwardProvide two examples from invertebrates of such ‘reverse evolution’ from a derived state (specialized state) back to a more ancestral character statearrow_forward
- Explain the significance of the discovery of Archaeopteryx.Why did this fossil demonstrate beyond reasonable doubt that birds are grouped phylogenetically with dianosaurs ? Explain detailsarrow_forwardExpound and Elaborate: Mammals belong to a group of amniotes known as synapsids. Three major lineages of mammals had emerged by the early Cretaceous period. In a tabulated form, compare these three lineages to illustrate their diversity in terms of:a. Embryonic developmentb. How the young are fedc. Period of gestationarrow_forwardEvolutionarily protochordates may be intermediate animals between invertebrates and vertebrates. Imagine a scientist is testing the hypothesis that vertebrates evolved from echinoderms. Having as research object a newly found protochordate species, what is an example of a discovery that would weaken the hypothesis? What is an example of a discovery that would strengthen it?arrow_forward
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