EP CONNECT ONLINE ACCESS FOR BIOLOGY
20th Edition
ISBN: 9781260494655
Author: Raven
Publisher: MCG COURSE
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Chapter 32, Problem 13U
Summary Introduction
Introduction:
Animals can be classified into various groups on the basis of body symmetry, pattern of segmentation, body cavity and presence of tissues. On the basis of coelom, animals may be acoelomate (lack coelom), pseudocoelomate (have false coelom) and coelomate (have true coelom).
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"Stalked jellyfishes" belong to which class?
A. Staurozoa
B. Scyphozoa
C. Anthozoa
D.Hydrozoa
E. Cubozoa
If chaetognaths belong to Lophotrochozoa, they would be more closely related to animals like earthworms which have a trochophore larva. If they belong to
Ecdysozoa, they would...
A. Be more closely related to animals that have a lophophore feeding structure
B. Be more closely related to animals that are diploblastic
C. Be more closely related to animals without symmetry
D. Be more closely related to animals that shed their outer cuticle
E. Both B and D are true
O A
O B
O C
O D
O E
An unidentified animal is noted to possess the following characteristics:
triploblastic eucoelomate body
a cuticle that is shed via ecdysis
To which of the following phyla does this organism belong?
Group of answer choices
A. Echinodermata
B. Annelida
C. Arthropoda
D. Nematoda
Chapter 32 Solutions
EP CONNECT ONLINE ACCESS FOR BIOLOGY
Ch. 32.1 - Prob. 1LOCh. 32.2 - Prob. 1LOCh. 32.2 - Prob. 2LOCh. 32.2 - Prob. 3LOCh. 32.3 - Prob. 1LOCh. 32.3 - Prob. 2LOCh. 32.3 - Prob. 3LOCh. 32.4 - Prob. 1LOCh. 32.4 - Prob. 2LOCh. 32.5 - Prob. 1LO
Ch. 32.5 - Prob. 2LOCh. 32.5 - Prob. 3LOCh. 32.6 - Prob. 1LOCh. 32.6 - Prob. 2LOCh. 32 - Prob. 1IQCh. 32 - Prob. 1UCh. 32 - Animals are unique in the fact that they possess...Ch. 32 - In animal sexual reproduction the gametes are...Ch. 32 - The evolution of bilateral symmetry was a...Ch. 32 - A fluid-filled cavity that develops completely...Ch. 32 - Which of the following statements is NOT true...Ch. 32 - Which of the following characteristics is used to...Ch. 32 - With regard to classification of animals, the...Ch. 32 - The coelom a. is a synapomorphy for the clade...Ch. 32 - A coelomate organism may have which of the...Ch. 32 - Which of the following cell types of a sponge...Ch. 32 - Prob. 12UCh. 32 - Prob. 13UCh. 32 - The following diagram is of the blastopore sage of...Ch. 32 - Prob. 2ACh. 32 - Prob. 3ACh. 32 - Which of the following cell layers is not...Ch. 32 - Prob. 2S
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- Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrataarrow_forwardCrustaceans are _____. a. ecdysozoans b. nematodes c. arachnids d. parazoansarrow_forwardWhich group of flatworms are primarily external parasites of fish? a. monogeneans b. trematodes c. cestodes d. turbellariansarrow_forward
- Which phylum includes animals that have a water vascular system? a. Echinodermata b. Hemichordata c. Chordata d. Tetrapoda e. Amniotaarrow_forwardSerial segmentation is a key characteristic of which of the following phyla? a. Mollusca b. Brachiopoda c. Bryozoa d. Annelidaarrow_forwardNematodes once were thought to be closely related torotifers due to the presence of a pseudocoelom but are nowconsidered more closely related to the arthropods due toa. molting. c. wings.b. jointed appendages. d. a coelom.arrow_forward
- Which of the following Phylum arealso called flatworms?A. Mollusca B. ChordataC. Ctenophora D. Platyhelminthesarrow_forwardTo 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. Lophotrochozoaarrow_forwardNereis, Pheretima (Earthworm) andHirudinaria (blood sucking leech) areexamples of which Phylum:A. Coelenterata B. AschelminthesC. Annelida D. Arthropodaarrow_forward
- Flatworms (platyhelminthes) possess a a. metanephridial system b. protonephridial system c. secretion kidney d. none of thesearrow_forwardWhich of the following classes of arthropod possess chelicerae? a. Chilopoda b. Crustacea c. Hexapoda d. Chelicerataarrow_forwardWhich of the following descriptions or features does/do NOT apply to Phylum Nematoda? a. Chitinous cuticle b. Sensory papillae c. Pseudocoelomate d. None among the other choices e. All of the other choices (except "None among....") f. Ecdysozoan g. Hydrostatic skeletonarrow_forward
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