Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 27, Problem 9RQ
An animal whose development is marked by radial cleavage and enterocoely is.
- a deuterostome
- an annelid or mollusk
- either an acoelomate or eucoelomate
- none of the above
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An animal whose development is marked by radial cleavage and enterocoely is ________. a. a deuterostome b. an annelid or mollusk c. either an acoelomate or eucoelomate d. none of the above
Which of the following does NOT occur?
radially symmetrical diploblast
diploblastic eucoelomate
protostomic coelomate
bilaterally symmetrical deuterostome
Which of the following has indeterminate development?
Echinodermata
Nematoda
Arthropoda
Platyhelminthes
Chapter 27 Solutions
Biology 2e
Ch. 27 - Figure 27.5 If a Hox 13 gene in a mouse was...Ch. 27 - Figure 27.6 Which of the following statements is...Ch. 27 - Figure 27.9 Which of the following statements...Ch. 27 - Which of the following is not a feature common to...Ch. 27 - During embryonic development, unique cell layers...Ch. 27 - Which of the following phenotypes would most...Ch. 27 - Which of the following organisms is most likely to...Ch. 27 - Which of the following is not possible? radially...Ch. 27 - An animal whose development is marked by radial...Ch. 27 - Consulting the modern phylogenetic tree of...
Ch. 27 - Which of the following is thought to be the most...Ch. 27 - As with the emergence of the Acoelomorpha phylum,...Ch. 27 - Which of the following periods is the earliest...Ch. 27 - What type of data is primarily used to determine...Ch. 27 - The time between 542-488 million years ago marks...Ch. 27 - Until recent discoveries suggested otherwise,...Ch. 27 - Plant life first appeared on land during which of...Ch. 27 - Approximately how many mass extinction events...Ch. 27 - Why might the evolution of specialized tissues be...Ch. 27 - Describe and give examples of how humans display...Ch. 27 - How have Hox genes contributed to the diversity of...Ch. 27 - Using the following terms, explain what...Ch. 27 - Explain some of the advantages brought about...Ch. 27 - Describe at least two major changes to the animal...Ch. 27 - How is it that morphological data alone might lead...Ch. 27 - Briefly describe at least two theories that...Ch. 27 - How is it that most if not all, of the extant...
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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
Which of the following does not occur? a. radially symmetrical diploblast b. diploblastic eucoelomate c. protostomic coelomate d. bilaterally symmetrical deuterostome
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Figure 15.3 Which of the following statements is false? a. Eumetazoa have specialized tissues and Parazoa do not. b. Both acoelomates and pseudocoelomates have a body cavity. c. Chordates are more closely related to echinoderms than to rotifers according to the figure. d. Some animals have radial symmetry, and some animals have bilateral symmetry.
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Using the following terms, explain what classifications and groups humans fall into, from the most general to the most specific: symmetry, germ layers, coelom, embryological development.
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Figure 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.
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Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrata
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Figure 29.3 Which of the following statements about common features of chordates is true? The dorsal hollow nerve cord is part of the chordate central nervous system. In vertebrate fishes, the pharyngeal slits become the gills. Humans are not chordates because humans do not have a tail. Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.
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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 sourcing
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Which of these does not pertain to a protostome?a. spiral cleavageb. blastopore is associated with the anusc. coelom, splitting of mesodermd. annelids, arthropods, and molluscse. mouth is associated with first opening
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You are trying to identify a living organism which you are observing closely. Which one of the following would convince you that the organism is acoelomate?
It responds to food by moving toward it.
It is triploblastic.
It has bilateral symmetry.
It possesses sensory structures at its anterior end.
Muscular activity of its digestive system distorts the body wall.
The flatworms have
a true coelom
a pseudocoelom
radial symmetry
tissues derived from the three basic germ layers (i.e. they are triploblastic)
need help with both questions for my HW please thank you!
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Which of the following animal groups is triploblastic, has deuterostome development, and has a digestive system, a nervous system, and an excretory system, but does not have a vertebral column?
the acoelomate flatworms (like the planaria)
the cephalochordates (like the lancelet)
the poriferans (like the calcareous sponges)
the coelenterates (like the jellyfish)
the agnathan fishes (like the sea lamprey)
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Which type of animals typically not bilaterally symmetrical and its adult stage
Echinoderm
Copepod
Decapod
Round worm
Cephalopod
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The protrusible rasping organ in a mollusk's mouth that is used to scrape food from the substrate is
composed of nacre.
a visceral mass.
an ammonite.
a veliger.
a radula.
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