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 4TY
Summary Introduction
Introduction:
Most deuterostome development is characterized by indeterminate cleavage, in which each cell produced by early cleavage retains the possibility to develop into a complete embryo. For example, when one cell is excised from a four-cell sea urchin embryo, both the single cell and the remaining three can go on to form viable embryos.
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Reproductive characteristics and structures of sleected invertebrates and vertebrates. Fill in the blanks.
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You are given an embryo with eight cells and you carefully separate them and allow them to develop in separate containers. Each of the cells forms a complete embryo that develops normally into an adult animal. How would you categorize your animal?
It is a protostome.
It has determinate cleavage.
It has spiral cleavage.
It is an annelid, mollusk, or arthropod.
It has indeterminate cleavage.
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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 structures is not an extra-embryonic membrane of amniotes? Question 17 options: The allantois The pharyngeal cleft The chorion The yolk The amnionarrow_forwardCoelom formation in Deuterostomes is ____________ whereas in Protostomes is _____________.arrow_forwardThe jelly like substance found between ectoderm and endoderm in Cnidarians is called the _____. Question 17 options: a) Osculum b) Nematocyst c) Mesoglea d) Choanocyte e) Mesoderarrow_forward
- Which of the following has indeterminate development? Echinodermata Nematoda Arthropoda Platyhelminthesarrow_forwardAll of the following are characteristics of annelids except a coelom. a complete digestive tract. segmentation. excretion via nephridia. metamorphosis.arrow_forwardAn animal whose development is marked by radial cleavage and enterocoely is ________. a. a deuterostome b. an annelid or mollusk c. either an acoelomate or eucoelomate d. none of the abovearrow_forward
- A radula in a gastropod is a female reproductive structure A sharp, tooth like structure for killing prey a structure that aids in feeding a sense organ for detecting light Which choice correctly identifies the body plan of a Mollusc? radial symmetry bilateral symmetry asymmetry (no symmetry)arrow_forwardIf activity of the organizer is inhibited, what does the embryo become? A mass of notochord. A mass of mesoderm. A mass of ventral tissue. A fully formed embryo.arrow_forwardWhich of the following does NOT occur? radially symmetrical diploblast diploblastic eucoelomate protostomic coelomate bilaterally symmetrical deuterostomearrow_forward
- A deuterostome has what type of cleavage Group of answer choices A. spiral, indeterminate at 8 cells B, radial, indeterminate at 8 cells C. spiral, determinate at 8 cells D. radial, determinate at 8 cellsarrow_forwardAnnelids (include leeches, earthworms and polychaete worms/ use their coeloms as hydrostatic skeleton/ have characteristically long bodies with both internal and external segmentation/ have a tube within a tube digestive system/ or ALL OF THEM)?arrow_forwardAmphibian Spermatogenesis and oogenesis: Label the parts in the illustration below:arrow_forward
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Embryology | Fertilization, Cleavage, Blastulation; Author: Ninja Nerd;https://www.youtube.com/watch?v=8-KF0rnhKTU;License: Standard YouTube License, CC-BY