Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 24, Problem 2SQ
Summary Introduction
Concept introduction: The gastrula during the embryonic development has three layers. The middle layer is called as mesoderm that gives rise to several organs and tissues depending on the phylum. Coelom is the body cavity observed in animals.
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Students have asked these similar questions
A body cavity fully lined with tissue derived from mesoderm is called a______ . a. coelom c. complete digestive tract b. pseudocoelom d. gastrovascular cavity
An animal whose blastopore develops into a mouth and the second opening into the anus can be called ______.
Question 6 options:
a)
acoelomate
b)
bilaterally symmetrical
c)
a protostome
d)
a deuterostome
The pericardial cavity forms froma. evagination of the early digestive tract.b. the neural tube.c. the coelom.d. the branchial arches.e. pharyngeal pouches.
Chapter 24 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 24 - Sustainable Use of Horseshoe Crabs Horseshoe crab...Ch. 24 - Sustainable Use of Horseshoe Crabs Horseshoe crab...Ch. 24 - Sustainable Use of Horseshoe Crabs Horseshoe crab...Ch. 24 - Prob. 1SQCh. 24 - Prob. 2SQCh. 24 - Prob. 3SQCh. 24 - Prob. 4SQCh. 24 - Prob. 5SQCh. 24 - Prob. 6SQCh. 24 - Prob. 7SQ
Ch. 24 - Prob. 8SQCh. 24 - Prob. 9SQCh. 24 - Prob. 10SQCh. 24 - Prob. 11SQCh. 24 - _______ include the only winged invertebrates. a....Ch. 24 - Prob. 13SQCh. 24 - Match each structure with its descriptions. _____...Ch. 24 - Prob. 15SQCh. 24 - A massive die-off of lobsters in the Long Island...Ch. 24 - A rise in atmospheric carbon dioxide increases...
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- Among living animals, only birds have ________. a. a cloaca c. feathers b. a four-chambered heart d. amniote eggsarrow_forwardCrustaceans are _____. a. ecdysozoans b. nematodes c. arachnids d. parazoansarrow_forwardWhich is not a characteristic of animals a. Have a blastula stage b. Cell walls c. Heterotrophy d. Multicellulararrow_forward
- Distinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and indirect development; (d) complete andincomplete digestive tracts; (e) coelom and pseudocoelom.arrow_forwardYou find a worm and discover that it has no coelom, no nephridia and a mouth but no anus. What must be true of this animal? A. it is a xenacoelomorph B. it is s pseudocoelomate C. it is hermaphroditic D. it exhibits bilateral symmetry E. A, C and Darrow_forwardUnlike other coelomate animal phyla, mollusks lacka. segmentation.b. cephalization.c. three primary tissue layers.d. some type of body cavity.arrow_forward
- Segmentation, first seen in annelids, allows evolutionary advantages bya. allowing more fluid movement for less energy expense.b. specialization of segments to carry out different functions.c. allowing coelom development.d. concentrating sensory and nervous tissues and organs in the direction of motion.arrow_forwardAmong living animals, only birds have_____ . a. a cloaca c. feathers b. amniote eggs d. a four-chambered heartarrow_forwardVertebrates and tunicates share(A) jaws adapted for feeding.(B) a high degree of cephalization.(C) an endoskeleton that includes a skull.(D) a notochord and a dorsal, hollow nerve cordarrow_forward
- An unidentified animal is noted to have simple tissues and possesses specialized cells called nematocysts. What is its overall body shape? Group of answer choices A. Asymmetrical B. Bilateral Symmetry C. Radial Symmetry D. Biradial Symmetryarrow_forwardAnnelids have a ______. a. pseudocoelom b. a true coelom c. no coelom d. noneoftheabovearrow_forwardWhich of the following does not occur? a. radially symmetrical diploblast b. diploblastic eucoelomate c. protostomic coelomate d. bilaterally symmetrical deuterostomearrow_forward
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