Campbell Biology, Volume 2 - With Access (Custom)
14th Edition
ISBN: 9781269750028
Author: Reece
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 33, Problem 5TYU
In Figure 33.2, which two main clades branch from the most recent common ancestor of the eumetazoans?
(A) Porifera and Cnidaria
(B) Lophotrochozoa and Ecdysozoa
(C) Cnidaria and Bilateria
(D) Deuterostomia and Bilateria
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Consider clades Bilateria, Lophotrochozoa, Metazoa, Chordata,Ecdysozoa, Eumetazoa, and Deuterostomia. List the clades to whichhumans belong in order from the most to the least inclusive clade.
What do fossil tetrapods tell us about the transition from water to land?
Draw a phylogenetic diagram showing only the interrelationships among the following clades: Tetrapoda, Lissamphibia, Amniota, Diapsida, Synapsida, Turtles, Archosauria
Chapter 33 Solutions
Campbell Biology, Volume 2 - With Access (Custom)
Ch. 33.1 - Prob. 1CCCh. 33.1 - Prob. 2CCCh. 33.2 - Compare and contrast the polyp and medusa forms of...Ch. 33.2 - Prob. 2CCCh. 33.2 - MAKE CONNECTIONS Many new animal body plans...Ch. 33.3 - Prob. 1CCCh. 33.3 - Prob. 2CCCh. 33.3 - MAKE CONNECTIONS Explain how the molluscan foot...Ch. 33.4 - Prob. 1CCCh. 33.4 - Describe two adaptations that have enabled insects...
Ch. 33.4 - MAKE CONNECTIONS Historically, annelids and...Ch. 33.5 - Prob. 1CCCh. 33.5 - WHAT IF? The insect Drosophila melanogaster and...Ch. 33.5 - MAKE CONNECTIONS Describe how the features and...Ch. 33 - Lacking tissues and organs, how do soonges...Ch. 33 - Describe the cnidarian body plan and its two major...Ch. 33 - is the lophotrochozoan clade united by unique...Ch. 33 - Describe some ecological roles of nematodes and...Ch. 33 - You've read that echinoderms and chordates are...Ch. 33 - A land snail, a clam and an octopus all share...Ch. 33 - Prob. 2TYUCh. 33 - The water vascular system of echinoderms (A)...Ch. 33 - Prob. 4TYUCh. 33 - In Figure 33.2, which two main clades branch from...Ch. 33 - Prob. 6TYUCh. 33 - Evolution connection Interpret thf data Draw a...Ch. 33 - Prob. 8TYUCh. 33 - Prob. 9TYUCh. 33 - SYNTHESIZE YOUR KNOWLEDGE Colleclively, do these...
Knowledge Booster
Learn more about
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 is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrataarrow_forwardRedraw the phylogenetic tree for Cnidarians showing only the relationships between Scyphozoa, Rugosa, Tabulata, and Scleractinia. Circle the Anthozoa clade.arrow_forwardWhat are examples of the following groups of vertebrates: Chondrichthyes, Actinopterygii, Actinistia, Dipnoi, and Tetrapoda? How many species are in each of the above groups? Which one has the most species? When did the first vertebrates appear, and when did they first live on land? Where do we find the earliest fossils of vertebrates, and where do we find the earliest fossils of terrestrial (land-living) vertebrates? What are the following and how are they related to humans: Pongo, Gorilla, Pan, Sahelanthropus, Ardipithecus, Australopithecus, Homo erectus, and Homo neanderthalensis? Which of these is our closest living relative? What are some of the traits that these organisms share with us? When and where did each of the extinct forms above live? What does this tell us about when our lineage split from the most recent ancestor we share with our closest living relative?arrow_forward
- Which of the following taxa of fish shared most direct common ancestry with the group of animals that evolved into the terrestrial tetrapods? -Subclass Elasmobranchii -Class Neopterygii -Subclass Sarcopterygii -Class Actinopterygii -Class Chondrichthyesarrow_forwardSuppose you discover a new species of animal that does not have body segments, but is triploblastic, coelomate, and cephalized. Under the molecular phylogenetic scheme, you would allocate it to which phylum? A)Platyhelminthes. B)Arthropoda. C)Nematoda. D)Mollusca. E)Echinodermata.arrow_forwardwhat do fossils tell us about the evolutionary history of the animal kingdom?arrow_forward
- Which of the following statements is true? --Sea stars are dioecious possess dermal branchiae and they have two stomachs --Actinoptergians are fleshy/lobe finned with cycloid scales and a swim bladder --Ophiuroidea have bilateral larvae, and Aristotle's lantern and five arms --Sand dollars are echinoderms with long spines, gills, and pentaradial larvae --Sharks have an operculum, cosmoid scales and eyelidsarrow_forwardCnidarians and ctenophores are considered diploblastic, but why might some biologists label them triploblastic?arrow_forwardMolecular techniques like DNA sequencing led to a restructuring of morphologically-based taxonomy and phylogeny such that A)annelids and arthropods were designated as closely related. B)echinoderms and chordates were placed in entirely different clades. C)Bilateria was designated as a monophyletic group. D)Ecdysozoa and Lophotrochozoa were designated as clades. E)rotifers and nematodes were designated as closely related.arrow_forward
- Is the presence of myomeres a symplesiomorphic or synapomorphic feature of vertebrates compared to conditions in other deuterostome metazoans? And are these structures symplesiomorphic, synapomorphic, or neither for vertebrates considered alone?arrow_forwardDraw a simplified animal tree of life, indicating therelationships among sponges, cnidarians, protostomes,and deuterostomesarrow_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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Phylogeny and the Tree of Life; Author: Professor Dave Explains;https://www.youtube.com/watch?v=KLMn4XwS8Tw;License: Standard YouTube License, CC-BY