Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 32, Problem 8TYU
SYNTHESIZE YOUR KNOWLEDGE
This organism is an animal. What tan you infer about its body structure and lifestyle (that might not be obvious from its appearance)? This animal has a protostome developmental pattern and a trochophore larva. Identify the major clades that this animal belongs to. Explain your selcction, and describe when these clades originated and how they are related to one another.
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Select all that apply: Which characteristics could be used to identify an unknown organism as an animal
rather than a fungus or a plant?
multicellular
developmental stage called a blastula
heterotrophic
ingestion of food for internal digestion
alternation of generations during life cycle
presence of Hox genes in genome
have cell walls
See attached. 1. Which pair of animals in numbers 1-3 belongs to a common ancestral group? Explain your answer.2. Fossils and anatomical records both provide pieces of evidence of evolution. How do you determine the age of fossils of an Aurorazhdarcho micronyx and an Archeopterix?
In your own words, describe information from Figure 4.2. Give examples of different organisms covered in lab that fall into each category (you can exclude deuterostomes, since we cover that in the next lab).
Chapter 32 Solutions
Campbell Biology (11th Edition)
Ch. 32.1 - Summarize the main stages of animal development....Ch. 32.1 - WHAT IF? What animal characteristics would be...Ch. 32.2 - Put the following milestones in animal evolution...Ch. 32.2 - VISUAL SKILLS Explain what is represented by the...Ch. 32.2 - MAKE CONNECTIONS Evaluate whether the origin of...Ch. 32.3 - Distinguish the terms grade and clade.Ch. 32.3 - Compare three aspects of the early development of...Ch. 32.3 - Prob. 3CCCh. 32.4 - Prob. 1CCCh. 32.4 - WHAT IF? Suppose ctenophores are basal metazoans...
Ch. 32.4 - Prob. 3CCCh. 32 - Prob. 32.1CRCh. 32 - What caused ihe Cambrian exploston? Describe...Ch. 32 - Describe how body plans provide useful Information...Ch. 32 - Prob. 32.4CRCh. 32 - Prob. 1TYUCh. 32 - The distinction between sponges and other animal...Ch. 32 - Prob. 3TYUCh. 32 - Prob. 4TYUCh. 32 - EVOLUTION CONNECTION A professor begins a lecture...Ch. 32 - SCIENTIFIC INQUIRY INTERPRET THE DATA Redraw the...Ch. 32 - WRITE ABOUT A THEME: INTERACTIONS Animal life...Ch. 32 - SYNTHESIZE YOUR KNOWLEDGE This organism is an...
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- PHYLOGENETIC ANALYSIS: Refer to the Pratachardaten phylogenetic tree. Write your answers for the following, phrase sentence form. 1. Are deuterostomes in or in related to protostome (Yes or No)? Explain briefly 2. What Syorlesiamecebic character Protostomes Deuterostomes is the CHORDATES Tripartite coelom, larva Chordate ancestor (Notochord, post-anal tail, dorsal hollow nerve cord) of deuterostomes? 3. What is the Deuterostome ancestor (Gill slits) of echinoderms and character Bilateral ancestor (Dorsoventral axis, mesoderm, through gut, cephalization, hox domains in trunk, tinman heart, pax6/emw/otx domains in head) hemichordates? 4. Is the group of chordates considered monophyletic (Yes or No)? Explain briefly. eozoskpog- FLophotrochozoa Echinoderms Hemichordates Urochordates Cephalochordates Vertebratesarrow_forwardAnswer according to phylogenetic tree for animal phyla 1. Which phyla are radically symmetrical? 2. Which phyla are coelomates? 3. Which phyla are triploblastic? Explain what triplobastic means. 4. Which phyla have segmented bodies and a closed blood system? 5. a) Differentiate between an exoskeleton and endoskeleton. b) Which phyla have these skeletons? c) Give one advantage and disadvantage of each of this skeletons 6. Which phylum did not hive rise to any other group of animals? 7. Name one feature of the chordates that make them different from the other phyla 8. What was the common ancestor of all animals?arrow_forwardWhat is the answer of the first and second question? Show your workarrow_forward
- create a cladogram summarizing the phylogenetic relationships among the different Phyla. Take note that some characters may be secondarily lost during the evolution of these different. there is a photo of example of cladogram belowarrow_forwardGive at least (3) body structures that are salient among these groups of animals: Protozoans Poriferan Cnidariansarrow_forwardView the preserved arthropod specimens available. There will be at least one example of each lineage group discussed on the website but not all of the specimens may be available. Use the table on the next page to organize your observations. Specialized segments Name of Lineage Exoskeleton? Jointed specimen Formica rufa appendages? Pandinus imperatur Rhinotia hemistictus Eurytides marcellus Ranina raninaarrow_forward
- Suppose you came across a novel organism you suspected belonged to one of the following animal phyla: Porifera, Cnidaria, or Ctenophora. Which of the following characteristics would NOT be helpful in placing the organism into the correct phylum? 1) how it acquires food 2) whether adults are sessile or mobile 3) whether the organism has a coelom 4) the number of tissue layers it has 5) the type of body symmetry it hasarrow_forwardCreate a body plan table (Insert → Add Table) for the following animal phyla: Porifera, Cnidaria, Platyhelminthes, Mollusca, Annelida, Nematoda, Arthropoda, Echinodermata, and Chordata. Describe each phylum by identifying the following body plan features. 1) Symmetry: Asymmetrical, Radial, or Bilateral 2) Tissue type: Parazoa, Eumetazoa (diploblastic), or Eumetazoa (triploblastic) 3) Body cavity (if triploblastic): Acoelomate, Psuedocoelomate, or Coelomate 4) Developmental mode (if Coelomate): Protostome or Dueuterostome Note: Depending on the body plan, features 3 & 4 may not apply to specific phyla. * Please answer 1) and 2) only. Reposting question for other two to be answered.arrow_forwardImagine you come across a small worm. How can you determine whether it is a class Hirudinida or a turbellarian? Give two distinct differences between the two without naming the same structure/invisible features of each animal (e.g animal x has 2 wings, animal y has 4 wings are not distinct differences)arrow_forward
- Give typed full explanationarrow_forwardDraw a phylogenetic tree depicting our current understanding of the animal phylogeny. Include the major groups of animals at the tips of your tree: Deuterostomia, Protostomia, Lophotrochozoa, Ecdysozoa, Porifera, and Cnidaria. Additionally, label the common ancestor of all animals, indicate which groups are considered invertebrates, and indicate where the vertebrates fit within the phylogeny. Write on your tree where the following characteristics arose as evolutionary innovations: multicellularity, true tissues, radial and bilateral symmetry, animals with 2 germ layers and animals with 3 germ layers.arrow_forwardThe phylogenetic tree in Exercise 1 above shows an outdated relationship between Brachiopoda, Bryozoa, and Mollusca. We now know that: (1) Brachiopoda is more closely related to Mollusca; and (2) Bryozoa forms the sister-group to the clade formed by Brachiopoda+Mollusca. In the space below draw a phylogenetic tree showing the correct interrelationships among the 5 clades listed: Bryozoa: Brachiopoda: Linguliformea: Craniiformea: Rhynchonelliformea: Please include mollusca. Should be 6 classes totalarrow_forward
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