Which of these models correctly identifies the most recent common ancestor diploblasts?Cnidaria⚫LophotrochozcaEcdysozoaDeuterostomesCnidariaLophotrochozoaEcdysozoaDeuterostomesCnidaria•LophotrochozoaEcdysozoaDeuterostomesCnidariaLophotrochozoaEcdysozoaDeuterostomes

The image presents 4 different phylogenetic models that depict the evolutionary relationships among…

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Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter29: Vertebrates

Section: Chapter Questions

Problem 8RQ: Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton...

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Match the description given with either protostome or deuterostome or neither 1)spiral cleavage 2)blastopore becomes the anus 3)schizocoelous coelom formation 4)indeterminate cleavage 5)determinate cleavage 6)blastopore becomes the primitive streak 7)radial cleavage 8)enterocoelous coelom formation
Class Gastropoda and Class Bivalvia independently evolved modifications to their body plan that allowed them to invade sandy and muddy habitats, burying their bodies under the surface and accessing the surface via siphons. For an example organism in each Class, (1) draw a diagram showing the morphological modifications and (2) write a description of how this organism had evolved from the hypothetical ancestral mollusk (HAM) body plan.
The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups–Lophotrochozoa and Ecdysozoa. What does this finding suggest? Group of answer choices The lophotrochozoans are monophyletic. The protostomes are a paraphyletic group. Division of these two groups occurred after the protostome developmental sequence appeared. These two subgroups have a common ancestor that was a deuterostome.
State 4 morphological differences between the class Oedipodiopsida and class Andreaeobryopsida.
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 Vertebrates
Which of the following features does not distinguish humans as a member of phylum Chordata? Human embryos undergo indeterminate cleavage A spinal cord runs along an adult human’s dorsal side Human embryos exhibit pharyngeal arches and gill slits, The human coccyx forms from an embryonic tail.
Porifera Cnidaria Clenophora Chordata Joo Ecdysis Protostome body plan Loss of coelom Bilateral symmetry Ctenes Hemichordata Pinacocytes 10 Visceral mass Notochord Consider the phylogenetic tree of the 12 metazoan phyla we discussed in class throughout the term. For each of the 8 numbered branches on this tree (numbered 1-10), match a trait (i.e. character) or loss of a trait that occurred along that branch. Echinodermata Deuterostome body plan Proboscis, collar, and trunk body plan 1. 1 2. 2 3. 3 4. 4 5. 5 6. 6 7. 7 8. 8 9. 9 Arthropoda 10, 10 Nemoda Mollusca Annelida Roer Platyhelminthes
Leeches are members of the phylum _ in the clade of bilaterally symmetric animals called _ (Nematoda; ecdysozoa/platyhelminthes;Deuterostomia/Cnidaria;lophotrochozoan/annelida;lophotrochozoa)?
Create a cladogram summarizing the phylogenetic relationships among the different phyla. Phyla: Porifera Cnidaria Platyhelminthes Annelida Mollusca Nematoda Arthropoda Echinodermata Chordata Characters: True tissues Blastopore forms the mouth Blastopore forms anus Undergo ecdysis Notochord Mantle and muscular foot Water vascular system Trochophore Segmented jointed appendages Chitinous setae Muscles and nerves Triploblastic
17 of 20 Select the phrase which describes the process of coelom formation by schizocoely O Occurs in protostomes and involves mesodermal tissue that is located in the space between the ectoderm layer and the endodermal wall of the archenteron O Occurs in protostomes and involves buding of mesodermal tissue from the archenteron O Occurs in deuterostomes and protostomes and involves migration of neural crest cells around the interior of the ectoderm cell layer O Occurs in deuterostomes and involves differentiation of endodermal tissue into mesoderm which buds from the primitive gut. O Occurs in protostomes and involves rounding-up endodermal tissue which forms the primitive gut lumen
Coelom formation in Deuterostomes is ____________ whereas in Protostomes is _____________.
Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glands

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Which of these models correctly identifies the most recent common ancestor diploblasts? Cnidaria ⚫Lophotrochozca Ecdysozoa Deuterostomes Cnidaria Lophotrochozoa Ecdysozoa Deuterostomes Cnidaria •Lophotrochozoa Ecdysozoa Deuterostomes Cnidaria Lophotrochozoa Ecdysozoa Deuterostomes