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 19RQ
Which of the following is not a key advantage provided by the exoskeleton of terrestrial arthropods?
- Prevents dessication
- Protects internal tissue
- Provides mechanical support
- Grows with the arthropod throughout its life
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Students have asked these similar questions
An arthropod body is described as having three key features: A segmented body, an exoskeleton, and jointed appendages.
true or false?
Which of the following is NOT a characteristic of the exoskeleton of an arthropod?
A. Always laden with calcium salts.
B. Chitinized with an outer layer of cuticle.
C. The plates are connected with an articular membrane.
D. Composed of the tergum, sternum and pleura plates.
A radula in a gastropod is
a female reproductive structure
A sharp, tooth like structure for killing prey
a structure that aids in feeding
a sense organ for detecting light
Which choice correctly identifies the body plan of a Mollusc?
radial symmetry
bilateral symmetry
asymmetry (no symmetry)
A characteristic present in members of the arthropod subgroup that includes spiders, but not present in other arthropod classes would be the presence of
chelicerae.
an open circulatory system.
an exoskeleton.
a cuticle.
a cephalothorax.
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 a feature common to most animals? a. development into a fixed body plan b. asexual reproduction c. specialized tissues d. heterotrophic nutrient sourcingarrow_forwardFigure 27.6 Which of the following statements is false? Eumetazoans have specialized tissues and parazoans don’t. Lophotrochozoa and Ecdysozoa are both Bilataria. Acoela and Cnidaria both possess radial symmetry. Arthropods are more closely related to nematodes than they are to annelids.arrow_forwardWhat is a key characteristic of all arthropods?a. Six legsb. Pseudocoelomc. Mandiblesd. Exoskeletonarrow_forward
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