EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 32, Problem 3TY
Summary Introduction
Introduction: Animals, which possess bilateral symmetry, can be divided along a vertical plane externally that goes straight to the midline. These animals have left and right borders.
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Chapter 32 Solutions
EBK BIOLOGY
Ch. 32.2 - What shored derived character is common to the...Ch. 32.2 - Prob. 1CCCh. 32.2 - Core Skill: Connections Look back to Figure 25.8....Ch. 32.2 - Prob. 2CCCh. 32.3 - Prob. 1BCCh. 32.3 - Prob. 1CCCh. 32.3 - Prob. 1EQCh. 32.3 - Prob. 2EQCh. 32.3 - Prob. 3EQCh. 32 - Prob. 1TY
Ch. 32 - Prob. 2TYCh. 32 - Prob. 3TYCh. 32 - In triploblastic animals, the inner lining of the...Ch. 32 - Prob. 5TYCh. 32 - Prob. 6TYCh. 32 - Prob. 7TYCh. 32 - Naturally occurring identical twins are possible...Ch. 32 - Prob. 9TYCh. 32 - A major finding of recent molecular studies is...Ch. 32 - Prob. 1CQCh. 32 - Why was the evolution of a coelom important?Ch. 32 - Prob. 3CQCh. 32 - Discuss the many ways that animals can affect...Ch. 32 - Prob. 2COQ
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- Observation of the development of embryos in sea stars shows the mesoderm forming pouches bulging from the archenteron to form the coelom. From this observation, you can predict that A. the cleavage of the embryo is radial. B. the adult animal will have bilateral symmetry. C. the mouth forms from the first opening in the gastrula. D. the animal is diploblastic.arrow_forwardIf cells from the presumptive neural ectoderm of a frog gastrula are transplanted onto the surface of a second gastrula where skin would normally develop, the transplanted cells will still develop into tissues of the nervous system. This experiment shows that the transplanted cells areA. differentiated.B. totipotent.C. discontinuous.D. determined.E. endodermal.arrow_forwardThe experiment in which a second Zone of Polarizing Activity (ZPA) was transplanted to the anterior edge of the wing bud demonstrated which important concept? Group of answer choices A. the importance of hox genes in setting up body axes B. the action of hox genes in setting up body regions C. the importance of hormones in providing positional information D. the importance of morphogens in providing positional information E. the importance of gastrulation in setting up the body planarrow_forward
- Which of the following statements relating to axis formation in chickens is FALSE? a. Henson's node secretes proteins that antagonize BMPs. b. The side of the epiblast facing the negative, basic albumin will become the ventral side of the embryo. c. Cells of the posterior marginal zone secrete Nodal to initiate the primitive streak. d. Water and sodium ions are transported from the albumin through the blastodisc cells and into the subgerminal space.arrow_forwardCompare the a.reproductive system and development b.regulation and maintenance c. communication and integration d.support and movement e. defense of cockroaches, toads, and micearrow_forwardWhich of the following statements about gastrulation is correct? A. During gastrulation, the contents of cell nuclei begin to vary so that they can start to perform different fucntions. B. During gastrulation, cells differentiate so that they can start to perform different functions. C. The formation of the endoderm, mesoderm, and ectoderm occurs after gastrulation. D. The formation of the endoderm, mesoderm, and ectoderm occurs before gastrulation.arrow_forward
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