Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Question
Chapter 24.3, Problem 1TC
Summary Introduction
To discuss:
The diversity and abundance of the sponges even if they are the most “primitive” of animals.
Introduction:
The members of phylum Porifera are the earliest animals to be known. The members live in aquatic habitats, in which they predominate in ocean water bodies. There are approximately
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Chapter 24 Solutions
Biology
Ch. 24.1 - Can you... list the characteristics that...Ch. 24.2 - Prob. 1CYLCh. 24.2 - describe the different types of body symmetry,...Ch. 24.2 - give examples of animal groups with each type of...Ch. 24.2 - Prob. 4CYLCh. 24.3 - Prob. 1TCCh. 24.3 - Prob. 2TCCh. 24.3 - Prob. 3TCCh. 24.3 - What advantage does a digestive system with two...Ch. 24.3 - Why does pouring sail on a leech harm it?
Ch. 24.3 - Prob. 6TCCh. 24.3 - Prob. 7TCCh. 24.3 - If you have ever accidentally walked into a spider...Ch. 24.3 - Prob. 1CYLCh. 24.3 - list some member organisms in each of these...Ch. 24.3 - Prob. 3CYLCh. 24.3 - Physicians Assistants Another invertebrate animal...Ch. 24 - Prob. 1MCCh. 24 - Prob. 2MCCh. 24 - Prob. 3MCCh. 24 - Prob. 4MCCh. 24 - Prob. 5MCCh. 24 - __________ Animals obtain energy by __________;...Ch. 24 - Bilaterally symmetrical animals have __________...Ch. 24 - Animals that have an anterior and posterior end...Ch. 24 - Lophotrochozoans and ecdysozoans (molting animals)...Ch. 24 - Prob. 5FIBCh. 24 - Three major groups within the mollusks are the...Ch. 24 - Prob. 7FIBCh. 24 - For each of the following distinctive structures,...Ch. 24 - Prob. 1RQCh. 24 - Prob. 2RQCh. 24 - Briefly describe each of the following...Ch. 24 - Prob. 4RQCh. 24 - Prob. 5RQCh. 24 - Prob. 6RQCh. 24 - Prob. 7RQCh. 24 - Prob. 8RQCh. 24 - Insects are the largest group of animals on Earth....Ch. 24 - Prob. 2AC
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- Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrataarrow_forwardFigure 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.arrow_forwardMembers of Chondrichthyes differ from members of Osteichthyes by having a _______. a. jaw b. bony skeleton c. cartilaginous skeleton d. two sets of paired finsarrow_forward
- Why do sponges fit the definition of animals?arrow_forwardHow sponges are different from other animals ?arrow_forwardThe flexibility inherent in a segmented body plan was clearly important to crustacean evolution, but why are crustaceans so much more diverse than annelids, another segmented taxon?arrow_forward
- Which of the following features do sponges lack that some other animals have? (a) segmented body plan (b) symmetrical body plan (c) backbone (d) all of the abovearrow_forwardArthropods usually have a distinct head. How would you define a “head”? What are the advantages and disadvantages of having such a body region?arrow_forwardHow and why did sponges develop skeletons, given that they were the first animals, there were no predators when they evolved, and the available food for them was floating in the water?arrow_forward
- Why is bilateral symmetry of adaptive value for actively motile animals?arrow_forwardWhat are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?arrow_forwardIn the rainforest you discover a new species that is terrestrial, has determinate development, molts during its lifetime, and possesses jointed appendages. To which phylum of animals should it be assigned?arrow_forward
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