Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 23, Problem 1FFT
For Further Thought Urochordates, instead of amphioxus, are now considered the sister group of vertebrates. Why is amphioxus, instead of urochordates, still considered a better model for the early vertebrate body plan?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Which structure classifies an organism as a gnathostome?
a lateral line system
a mineralized bony skeleton
amniotic eggs
hinged jaws
To what order does this animal belong (both animals belong to the same order)?
This animal DOES NOT possess scales.
examine the morphology of a millipede and a butterfly.
What characters do they share? Notice how their bodies are divided into several specialized regions called tagmata. How did tagmatization contribute to the diversity of arthropods?
Chapter 23 Solutions
Loose Leaf For Integrated Principles Of Zoology
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
- A divergence from ________ gave rise to tetrapods. a. ray-finned fishes c. cartilaginous fishes b. lizards d. lobe-finned fishesarrow_forwardWhich of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrataarrow_forwardTetra pods evolved from ___ . a. sharks b. teleosts c. lobe-finned fishes d. placodermsarrow_forward
- Figure 15.33 Which of the following statements about common features of chordates is true? a. The dorsal hollow nerve cord is part of the chordate central nervous system. b. In vertebrate fishes, the pharyngeal slits become the gills. c. Humans are not chordates because humans do not have a tail. d. Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.arrow_forwardAristotle classified all warm-blooded fur-covered tetrapod vertebrates that give birth to live young as: the viviparous quadrupeds the malacostraca the fish the ostracoderms the oviparous quadrupedsarrow_forwardAristotle classified all cold-blooded egg-laying tetrapod vertebrates as: the oviparous quadrupeds the malacostraca the cetaceans the malacia the birdsarrow_forward
- Based on the notion of shared derived characters, which trait could be indicated by the letter J? CO m Limbs with digits Gills Larval stage Vertebrae Pharyngeal slits H Echinodermata Cephalochordata (lancelets) Urochordata (tunicates) Myxini (hagfishes) Petromyzontida (lampreys) Chondrichthyes (cartilaginous fish) Actinopterygii (Ray finned fish) Actinistia (coelacanths) Dipnoi (lungfishes) Amphibia Reptilia Mammaliaarrow_forwardBased on the diagram, which statement is true about the evolution of animals? A. Echinoderms evolved after chordates. B. Mineralized skeletons deveoloped before notocords. C. Chrondricthyes share chordate ancestors with myxini. D. The ancestral deutrosome had a notocord and vertebraearrow_forwardMammals are farther removed from echinoderms in phylogenetic alliance as they do with birds. Yet birds have a meroblastic cleavage, whereas mammalian cleavage is holoblastic, like echinoderms. How will the mammal convince the bird that it did not deviate from family traditions?arrow_forward
- Which of the following structures are homologous in arthropods? 1st leg of horseshoe crab: 1st Maxilla of a king crab Crab antennule: Millepede antennae 1st maxilla of a shrimp: 2nd leg of a spider Millipede mandible: butterfly maxillaarrow_forwardIt can be argued that all tetrapods are a variation of fish. Explain how this could be true.arrow_forwardWhich is the correct hierarchy of divisions in the animal kingdom, frommost inclusive to least inclusive?a. Eumetazoa, Metazoa, Protostomia, Ecdysozoab. Parazoa, Radiata, Lophotrochozoa, Deuterostomiac. Metazoa, Eumetazoa, Bilateria, Protostomiad. Radiata, Eumetazoa, Deuterostomia, Ecdysozoae. none of the abovearrow_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 CollegeBiology: The Unity and Diversity of Life (MindTap...BiologyISBN:9781305073951Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa StarrPublisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Biology: The Unity and Diversity of Life (MindTap...
Biology
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cengage Learning
From Sea to Changing Sea | Early Life in the Oceans || Radcliffe Institute; Author: Harvard University;https://www.youtube.com/watch?v=Ac0TmDf5Feo;License: Standard youtube license