Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 28, Problem 12RQ
Annelids have (a):
- pseudocoelom
- true coelom
- no coelom
- none of the above
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Chapter 28 Solutions
Biology 2e
Ch. 28 - Figure 28.3 Which of the following statements is...Ch. 28 - Figure 28.21 Which of the following statements...Ch. 28 - Figure 28.45 Which of the following statements...Ch. 28 - Mesohyl contains: a polysaccharide gel and dead...Ch. 28 - The large central opening in the parazoan body is...Ch. 28 - Most sponge body plans are slight variations on a...Ch. 28 - Cnidocytes are found in phylum Porifera phylum...Ch. 28 - Cubozoans are polyps medusoids polymorphs spongesCh. 28 - While collecting specimens, a marine biologist...Ch. 28 - Which group of fllatworms are primarily...
Ch. 28 - The rhynchocoel is a. circulatory system...Ch. 28 - Annelids have (a): pseudocoelom true coelom no...Ch. 28 - A mantle and mantle cavity are present in: phylum...Ch. 28 - How does segmentation enhance annelid locomotion?...Ch. 28 - The embryonic development in nematodes can have up...Ch. 28 - The nematode cuticle contains. glucose skin cells...Ch. 28 - Crustaceans are ecdysozoans nematodes arachnids...Ch. 28 - Flies are ___________ . chelicerates hexapods...Ch. 28 - Which of the following is not a key advantage...Ch. 28 - Echinoderms have. triangular symmetry radial...Ch. 28 - The circulatory fluid in echinoderms is blood...Ch. 28 - Which of the following features does not...Ch. 28 - The sister taxon of the Chordata is the. Mollusca...Ch. 28 - Describe the different cell types and their...Ch. 28 - Describe the feeding mechanism of sponges and...Ch. 28 - Explain the function of nematocysts in cnidarians.Ch. 28 - Compare the structural differences between...Ch. 28 - Compare the differences in sexual reproduction...Ch. 28 - How does the tapeworm body plan support widespread...Ch. 28 - Describe the morphology and anatomy of mollusks.Ch. 28 - What are the anatomical differences between...Ch. 28 - How does a change in the circulatory system...Ch. 28 - Enumerate features of Caenoihabditis elegans that...Ch. 28 - What are the different ways in which nematodes can...Ch. 28 - Why are tardigrades essential to recolonizing...Ch. 28 - Describe the various superclasses that phylum...Ch. 28 - Compare and contrast the segmentation seen in...Ch. 28 - How do terrestrial arthropods of the subphylum...Ch. 28 - Describe the different classes of echinoderms...
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- Which of the following is not possible? radially symmetrical diploblast diploblastic eucoelomate protostomic coelomate bilaterally symmetrical deuterostomearrow_forwardAnnelids have a ______. a. pseudocoelom b. a true coelom c. no coelom d. noneoftheabovearrow_forwardWhich is/are true of the mollusc radula a toothed structure is a synapomorphy of Mollusca is situated in the foregut present in bivalves A potential disadvantage of torsion in gastropods: consumption of feces more efficient gas exchange head protection small body sizearrow_forward
- Xenacoelomorpha are characterized by all of the following except: hermaphroditism acoelomate body organization protonephridia metanephridiaarrow_forwardFor phylum Echinoderms and class Crinoidea 1. Characteristics. List whether the organism is:a. Diploblastic or triploblastic (if applicable) b. Deuterostome or protostome (if applicable) c. Coelomate, pseudocoelomate or eucoelomate 2. Organ/system characteristics. Answer the following for each organism:a. How is their circulatory system? b. Excretory/osmoregulation: How does the organism eliminate waste? What organs do they use?c. Skeleton/support: List the structures or ways this organism supports itself. 3. Ecology. Describe/answer the following for each organism:a. Does it have a complete or incomplete digestive system? How does this animal feed?b. Identify any unique feeding structure• Be sure to use the correct terms to identify any unique feeding structure(s) used by theanimal.arrow_forwardWhich of the following has indeterminate development? Echinodermata Nematoda Arthropoda Platyhelminthesarrow_forward
- All of the following are characteristics of annelids except a coelom. a complete digestive tract. segmentation. excretion via nephridia. metamorphosis.arrow_forwardAlthough nematode worms and arthropods do not appear related, they, in fact, are. One similarity between these two groups of organisms is/are; They both have a hydrostatic skeleton They both molt They both have a segmented body plan They both have a ventral nerve cord and nerve gangliaarrow_forwardWhat are the checkpoints in the completion of the life cycle of nematomorphs? Would it be easier if all their host is aquatic? Why or why not? Note: This is about Likely Nematode Relatives (invertebrates zoology)arrow_forward
- Identify the most distinct characteristics of the following nematodes that would set them apart from each other. Nematodes Most distinct characteristics Intestinal worm (A. lumbricoides) Hookworm Pinworm Filarial worm Whipwormarrow_forwardCoelomates are Multiple Choice animals that have no coelom. animals that have two coeloms. animals in which the coelom disappears at gastrulation. animals that have a fluid filled coelom. two embryos that develop in the same coelom.arrow_forward1) Species belonging to the following groups typically have a trochophore larva at the beginning of their development: Ciliates Protostomians Lophotrochozoans Annelids Bilateriansarrow_forward
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