BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 33, Problem 5U
Summary Introduction
Introduction:
All the animals, considered as annelids, contain segmentation in their body. The segments are ringlike that are separated by septa in the body of annelids. These segments involve a pair of excretory organs, a ganglion and a set of reproductive organs (marine annelids). Annelids contain anterior and posterior segments that are light, chemo and a touch receptor. Each segment is connected through a ventral nerve.
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Students have asked these similar questions
Serial segmentation is a key characteristic of which of the following phyla?
a. Mollusca
b. Brachiopoda
c. Bryozoa
d. Annelida
To which of the following groups would a species that does not molt, possesses a coelom, and has a trochophore larva belong?
a. Ecdysozoa
b. Parazoa
c. Platyzoa
d. Lophotrochozoa
What characteristic is common to the flatworms, molluscs, and annelids?
a. All have bilateral symmetry. b. All are acoelomates.
c. All are parazoans.d. All are vertebrates.
Chapter 33 Solutions
BIOLOGY
Ch. 33.1 - Prob. 1LOCh. 33.2 - Prob. 1LOCh. 33.2 - Prob. 2LOCh. 33.3 - Prob. 1LOCh. 33.4 - Prob. 1LOCh. 33.4 - Prob. 2LOCh. 33.4 - Prob. 3LOCh. 33.5 - Prob. 1LOCh. 33.6 - Prob. 1LOCh. 33.6 - Distinguish between the Errantia and Sedentaria.
Ch. 33.6 - Describe adaptations in leeches for feeding on the...Ch. 33.7 - Prob. 1LOCh. 33.7 - Prob. 2LOCh. 33.8 - Prob. 1LOCh. 33.8 - Prob. 2LOCh. 33.9 - Prob. 1LOCh. 33.9 - Prob. 2LOCh. 33.9 - Prob. 3LOCh. 33 - In the flatworm, flame cells are involved in what...Ch. 33 - Prob. 2UCh. 33 - Prob. 3UCh. 33 - Prob. 4UCh. 33 - Prob. 5UCh. 33 - Prob. 6UCh. 33 - Prob. 7UCh. 33 - Prob. 8UCh. 33 - Prob. 9UCh. 33 - Prob. 10UCh. 33 - Examples of decapods are a. centipedes and...Ch. 33 - Prob. 1ACh. 33 - Prob. 2ACh. 33 - Prob. 3ACh. 33 - Scientists studying the Chesapeake Bay have...Ch. 33 - Chitin is present in a number of invertebrates, as...Ch. 33 - Prob. 3SCh. 33 - Prob. 4S
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- Crustaceans are _____. a. ecdysozoans b. nematodes c. arachnids d. parazoansarrow_forwardMembers of Chondrichthyes differ from members of Osteichthyes by having a _______. a. jaw b. bony skeleton c. cartilaginous skeleton d. two sets of paired finsarrow_forwardWhich group of flatworms are primarily external parasites of fish? a. monogeneans b. trematodes c. cestodes d. turbellariansarrow_forward
- Cnidocytes are found in _____. a. phylum Porifera b. phylum Nemertea c. phylum Nematoda d. phylum Cnidanaarrow_forward"Stalked jellyfishes" belong to which class? A. Staurozoa B. Scyphozoa C. Anthozoa D.Hydrozoa E. Cubozoaarrow_forwardWhile studying the embryonic development of an organism, you determine that the blastopore of the developing gastrula has developed into a mouth. Based on the Animalia tree discussed in class, which one of the following phyla could this NOT be? A. Chordata B. Mollusca C. Porifera D. Annelida E. Arthropodaarrow_forward
- Suppose you discover a new species of animal that does not have body segments, but is triploblastic, coelomate, and cephalized. Under the molecular phylogenetic scheme, you would allocate it to which phylum? A)Platyhelminthes. B)Arthropoda. C)Nematoda. D)Mollusca. E)Echinodermata.arrow_forwardWhich of the ff. has a repugnatorial gland and coils into a ball when disturbed? A. Diplopod B. Symphyla C. Pauropoda D. Chilopodaarrow_forwardA mantle and mantle cavity are present in _____. a. class Oligochaeta b. class Bivalvia c. class Polychaeta d. class Hirudineaarrow_forward
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