Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 29.1, Problem 1CYP
Discuss how humans, as chordates, possess all four characteristics either as embryos or adults.
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Chapter 29 Solutions
Biology
Ch. 29.1 - Discuss how humans, as chordates, possess all four...Ch. 29.1 - Prob. 2CYPCh. 29.2 - Prob. 1CYPCh. 29.2 - Prob. 2CYPCh. 29.3 - Prob. 1CYPCh. 29.3 - Prob. 2CYPCh. 29.4 - Prob. 1CYPCh. 29.4 - Prob. 2CYPCh. 29.5 - Prob. 1CYPCh. 29.5 - Prob. 2CYP
Ch. 29.6 - Prob. 1CYPCh. 29.6 - Prob. 2CYPCh. 29 - Prob. 1NS.1QCCh. 29 - Prob. 1NS.2QCCh. 29 - Prob. 1ACh. 29 - Prob. 2ACh. 29 - Prob. 3ACh. 29 - Prob. 4ACh. 29 - Prob. 5ACh. 29 - Prob. 6ACh. 29 - Prob. 7ACh. 29 - Prob. 8ACh. 29 - Prob. 9ACh. 29 - Prob. 10ACh. 29 - Prob. 11ACh. 29 - Prob. 12ACh. 29 - Prob. 13ACh. 29 - Prob. 14ACh. 29 - Prob. 15ACh. 29 - Prob. 16ACh. 29 - Prob. 17ACh. 29 - 1. Archaeopteryx was a birdIike reptile that had a...Ch. 29 - Prob. 2TSCh. 29 - Prob. 3TSCh. 29 - Prob. 4TS
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- Identify the stage(s) of embryonic development in whichcross sections of all chordate embryos closely resembleone another.arrow_forwardWhich of the following is the correct classification for the following chordate animal: These animals are chordates but do not have a backbone or cranium. They have all five features of chordates into adulthood. The notochord extends into its head. Question 27 options: a) Birds b) Anura / Frogs c) Urodela / Salamanders d) Superclass Agnatha e) Monotreme f) Eutharia g) Reptiles (non avian) h) Class Chondrichthyes i) Cephalochordata j) Class Osteichthyes k) Marsupialarrow_forwardAn important evolutionary innovation and a major difference between the limbs of extant lobe-finned fish and extant tetrapods is: Select one: 1. The presence of lobes on the fish fins. 2. Retention of fin rays in tetrapod limbs. 3. Limbs of tetrapods have associated muscles. 4. Limbs are supported by a single basal bone in tetrapods 5. Attachment of the pelvic limbs to the vertebral column via the pelvis in tetrapods. Please explain in detail the correct options as well as the incorrect options.arrow_forward
- An important evolutionary innovation and a major difference between the limbs of extant lobe-finned fish and extant tetrapods is: Select one: 1. The presence of lobes on the fish fins. 2. Retention of fin rays in tetrapod limbs. 3. Limbs of tetrapods have associated muscles. 4. Limbs are supported by a single basal bone in tetrapods 5. Attachment of the pelvic limbs to the vertebral column via the pelvis in tetrapods. Please consider providing a detailed explanation of correct as well as incorrect options.arrow_forwardPharyngeal 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 developmen, b. How the young are fed and c. Period of gestationarrow_forward
- Give an example animal for some of the key adaptations of chordates: (a) backbone, (b) skull, (c) amniotic egg, (d) bony skeleton. Choose a different animal for each adaptation.arrow_forwardDescribe the evolution of mammals, tracing their synapsid lineage from early amniote ancestors to true mammals. How would you distinguish pelycosaurs, early therapsids, cynodonts, and mammals?arrow_forwardAmphioxus long has been of interest to zoologists searching for a vertebrate ancestor. Explain why amphioxus captured such interest and why it no longer is considered to resemble closely the direct ancestor of the vertebrates.arrow_forward
- Define “diphyodont” and “heterodont” and explain why both terms apply to mammalian dentition.arrow_forwardDescribe how paedomorphosis as a mechanism could explain the evolution of the chordate body plan (from echinoderm larval form to a craniate form).arrow_forwardexplain why the four synapomorphic traits of chordates are not synaphomorphic in the context of amniotes.arrow_forward
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