Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 33, Problem 1TYU
A land snail, a clam and an octopus all share
(A) amantle.
(B) a radula.
(C) gills.
(D) distinct cephalization.
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Students have asked these similar questions
Distinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and indirect development; (d) complete andincomplete digestive tracts; (e) coelom and pseudocoelom.
a) List down subclasses of Gastropoda
b) Snails are distinguished by an anatomical process known as
where the visceral mass of the animals rotates 180° to one side during
the development.
c)
acts as a trapdoor to close the shell.
d) How many tentacles do the land snails have?
e) What is the function of radula?
In the deuterostomes the digestive tract (Gut) forms from the cells of the
a) ectoderm
b) nerve net of the Cnidarians
c) endoderm
d) connective tissue
e) mesoderm
I know its choice C but please explain how
Chapter 33 Solutions
Campbell Biology
Ch. 33.1 - Prob. 1CCCh. 33.1 - Prob. 2CCCh. 33.2 - Compare and contrast the polyp and medusa forms of...Ch. 33.2 - VISUAL SKILLS Use the cnidarian life cycle...Ch. 33.2 - MAKE CONNECTIONS Many new animal body plans...Ch. 33.3 - Prob. 1CCCh. 33.3 - Prob. 2CCCh. 33.3 - MAKE CONNECTIONS Explain how the molluscan foot...Ch. 33.4 - Prob. 1CCCh. 33.4 - Describe two adaptations that have enabled insects...
Ch. 33.4 - MAKE CONNECTIONS Historically, annelids and...Ch. 33.5 - Prob. 1CCCh. 33.5 - WHAT IF? The insect Drosophila melanogaster and...Ch. 33.5 - MAKE CONNECTIONS Describe how the features and...Ch. 33 - Lacking tissues and organs, how do soonges...Ch. 33 - Describe the cnidarian body plan and its two major...Ch. 33 - is the lophotrochozoan clade united by unique...Ch. 33 - Describe some ecological roles of nematodes and...Ch. 33 - You've read that echinoderms and chordates are...Ch. 33 - A land snail, a clam and an octopus all share...Ch. 33 - Prob. 2TYUCh. 33 - The water vascular system of echinoderms (A)...Ch. 33 - Prob. 4TYUCh. 33 - In Figure 33.2, which two main clades branch from...Ch. 33 - Prob. 6TYUCh. 33 - Evolution connection Interpret thf data Draw a...Ch. 33 - Prob. 8TYUCh. 33 - Prob. 9TYUCh. 33 - SYNTHESIZE YOUR KNOWLEDGE Colleclively, do these...
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- Create lists of animal phyla that (a) are cephalized, (b) have an incomplete digestive tract, (c) have segmented bodies, and (d) have a coelom.arrow_forwardThe notochord develops primarily from (a) ectoderm, (b) neural crest, (c) mesoderm, (d) endoderm.arrow_forwardWhat is the advantage to the segmentation that is exemplified in the Phylum Annelida? Check all that apply. A)The annelid may still survive if one segment is damaged. B)Segments can be specialized. C)The importance of segmentation is unclear. D)Vital structures are repeated in each segment. E)Locomotion is more efficient.arrow_forward
- The cnidaria, jelly fish, are the first organisms to exhibit? a) an ectoderm layer b) endoderm layer with digestive cells that release enzymes in to a digestive structure c) ectoderm cells that specialize to become cells which react to a stimulus and produce movement d) a water-based internal environment (prebiotic ocean) between the ectoderm and the endoderm e) all are true for cnidariaarrow_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_forward1. Classify jellyfish and ant based on the following characteristics: a) body symmetry b) number of germ layers during embryonic development c) body plan if triploblastic (coelomate, acoelomate, pseudocoelomate) d) Mechanism of coelom formation, if coelomate e) the origin of mouth? f) symmetry of cleavage? g) cleavage pattern, determinate or indeterminate? h) protostome or deuterostome? 2. Support your answers on number 1.arrow_forward
- 1 explain the meaning of the following characteristics of animals a)triploblastic b)bilateral symmetry c)segmentation d) acoelomate e)cephalisationarrow_forwardWhich of the following is an embryonic tissue found in animals? a) The blastopore b) The blastocoele c) The endoderm d) The coelom e) The echinodermarrow_forwardTrochophore larvae are characteristic of (a) arthropods (b) cnidarians (c) flatworms (d) mollusks (e) crustaceansarrow_forward
- Which of the following exhibits embryonic development by the protostome pathway? A) Mammals B) Sharks C) Amphibians D) Arthropoda E) Cnideria Explain whyarrow_forwardMatch the following:(a) Operculum (i) Ctenophora(b) Parapodia (ii) Mollusca(c) Scales (iii) Porifera(d) Comb plates (iv) Reptilia(e) Radula (v) Annelida(f ) Hairs (vi) Cyclostomata and Chondrichthyes(g) Choanocytes (vii) Mammalia(h) Gill slits (viii) Osteichthyesarrow_forward1. Classify jellyfish and ant based on the following characteristics: d) Mechanism of coelom formation, if coelomate e) the origin of mouth? f) symmetry of cleavage? g) cleavage pattern, determinate or indeterminate? h) protostome or deuterostome?arrow_forward
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