BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 23, Problem 11SA
Summary Introduction
Introduction:
The circulatory system of the living organism can be open type of close type. The annelids belong to the phylum “Annelida” and cephalopods belong to the phylum “Mollusca.”
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Which of the following is NOT a characteristic of annelids?
A.they have a closed circulatory system
B.they reproduce through sexual reproduction
C.there are both male and female earthworms
D.they are able to sense vibrations in the ground
Which animals lack a true circulatory system?a. cnidarians c. nematodesb. flatworms d. All of these are correct.
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Chapter 23 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 23 - An ______ develops from a two-layer embryo. a. sea...Ch. 23 - A great adaptive radiation of animals that...Ch. 23 - Prob. 3SACh. 23 - Prob. 4SACh. 23 - Prob. 5SACh. 23 - Prob. 6SACh. 23 - Prob. 7SACh. 23 - Prob. 8SACh. 23 - The ______ include the only winged invertebrates....Ch. 23 - Prob. 10SA
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Members of Chondrichthyes are thought to be descended from fishes that had ________. a. a cartilaginous skeleton b. a bony skeleton c. mucus glands d. slime glandsarrow_forward_______function(s) in the movement of cnidarians. a. A hydrostatic skeleton c. Cnidocytes b. Tube feet d. Malpighian tubulesarrow_forwardWhich of the following applies to a squid? a. Cephalization c. Complete digestive tract b. True coelom d. All of these are correct.arrow_forward
- The nervous system of the Hydra is _______ _______ while the flatworm’s is ________ _________. a. radially symmetrical, bilaterally symmetrical b. bilaterally symmetrical, radially symmetrical c. laterally symmetrical, radially asymmetrical d. bilaterally asymmetrical, radially asymmetricalarrow_forwardFlatworms can reach a maximum size of around 40cm. Whilst this is big for a worm, there are certainly larger animals on earth. What might it be that restricts the flatworms body size? A. They have an exoskeleton that restricts their growth. B. They do not have a circulatory system. C. They are exothermic animals that have limited energy for growth. D. They are acoelomates and so the growth of their internal organs is restricted by growth of the outer body wall.arrow_forwardImagine an animal's body has a space where organs like kidneys and liver are located. If this space is surrounded by mesoderm, it is a/n ___ A. pseudocoelom B. archenteron C. coelom D. visceraarrow_forward
- (This is a nongraded question) Discuss how the circulatory system of cephalopods has been adapted to enable their active, predatory lifestyle.arrow_forwardAnimals like annelids and arthropodsetc where the body can be divided intoidentical left and right halves in only one plane, exhibit ________ symmetry.A. Coelenterata B. RadialC. Ctenophora D. Bilateralarrow_forwardThe embryonic development in nematodes can have up to __________ larval stages. a. one b. two c. three d. fourarrow_forward
- Earthworms are most closely related to________ . a. tapeworms c. planarians b. roundworms d. leechesarrow_forwardA coelomate organism may have which of the following characteristics? a. Circulatory system b. Internal skeleton c. Larger size than a pseudocoelomate d. All of the choices are correct.arrow_forwardTorsion is a unique feature of molluscs. O A. Yes B. Noarrow_forward
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