Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 26, Problem 2TY
Summary Introduction
Introduction:
Bilateral symmetry means a symmetrical arrangement of a central axis of an organism or part of an organism, so that it can be split into 2 equal halves. Bilateral symmetry is a characteristic of animals able to move freely around their environments.
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Chapter 26 Solutions
Principles of Biology
Ch. 26.1 - Prob. 1TYKCh. 26.2 - Prob. 1BCCh. 26.2 - Prob. 1CCCh. 26.2 - What are the mam members of the Ecdysozoa?Ch. 26.2 - In protostomes the blastopore becomes the mouth....Ch. 26.2 - In triploblastic animals, the inner lining of the...Ch. 26.2 - Pseudocoelomates lack a fluid-filled cavity. have...Ch. 26.3 - Prob. 1TYKCh. 26.4 - Prob. 1CCCh. 26.4 - Prob. 1TYK
Ch. 26.4 - Prob. 2TYKCh. 26.5 - Prob. 1CCCh. 26.5 - Prob. 1TYKCh. 26.6 - Prob. 1CCCh. 26.6 - Prob. 2CCCh. 26.6 - Prob. 1BCCh. 26.6 - What are some of the advantages of segmentation?Ch. 26.6 - Platyhelminthes possess a lophophore. a coelom....Ch. 26.6 - Prob. 2TYKCh. 26.6 - Prob. 3TYKCh. 26.7 - Prob. 1CCCh. 26.7 - Prob. 2CCCh. 26.7 - Prob. 3CCCh. 26.7 - Prob. 1BCCh. 26.7 - Prob. 1TYKCh. 26.7 - Prob. 2TYKCh. 26.7 - Prob. 3TYKCh. 26.8 - Echinoderms and chordates are both deuterostomes....Ch. 26.8 - Prob. 1BCCh. 26.8 - Prob. 1TYKCh. 26.8 - Prob. 2TYKCh. 26.8 - Prob. 3TYKCh. 26 - Prob. 1TYCh. 26 - Prob. 2TYCh. 26 - Prob. 3TYCh. 26 - Prob. 4TYCh. 26 - Prob. 5TYCh. 26 - Prob. 6TYCh. 26 - Prob. 7TYCh. 26 - Prob. 8TYCh. 26 - A defining feature of the Ecdysozoa is a segmented...Ch. 26 - Incomplete metamorphosis is characterized by...Ch. 26 - Prob. 1CCQCh. 26 - Compare and contrast the five main feeding types...Ch. 26 - Prob. 3CCQCh. 26 - Prob. 1CBQCh. 26 - Prob. 2CBQ
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- Which of the following are mismatched? (a) endoderm; lining of the digestive tube (b) ectoderm; circulatory system (c) mesoderm; notochord (d) mesoderm; reproductive system (e) ectoderm; sense organsarrow_forwardFigure 29.22 Which of the following statements about the parts of an amniotic egg are false? The allantois stores nitrogenous waste and facilitates respiration. The chorion facilitates gas exchange. The yolk provides food for the growing embryo. The amniotic cavity is filled with albumen.arrow_forwardWhich of the following gives rise to the skin cells? a. ectoderm b. endoderm c. mesoderm d. none of the abovearrow_forward
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- Describe the differences between the hair seal family (Phocidae) and the eared seal family (Otariidae) for the following features: External ear pinnae How do they move on land? How do they move in the water (specific movement of fore and hind flippers – look up videos and report what you see). Describe a two-year cycle in the life of an adult female gray whale by answering the specific questions below. Where do they mate and give birth? How often do they give birth? Where do they spend the non-breeding season? (Note this is also where they eat because they don’t typically feed during migration or on their breeding waters.) When do they migrate south along the Oregon Coast? When do they migrate north along the Oregon Coast?arrow_forwardDuring embryonic development, which type of cleavage pattern leads to the development of a bird? Discoidal cleavage Holoblastic cleavage Radial cleavage Superficial cleavagearrow_forwardBilaterally symmetrical animals have________embryonic tissue layers, known as________ ,___________, and________ . Radially symmetricalanimals have_____________ tissue layers; they lack the___________layer.arrow_forward
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