WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 11, Problem 11MC
Summary Introduction

Introduction:

The features that an animal must possess at some point in its life to be classified as a chordate are - a notochord, a dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail.

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Which of the following is the correct classification for the following chordate animal: This is a vertebrate that does not have a jaw.  An example is the Hagfish which has a cartilaginous skull and skeleton.   Question 30 options:   a)  Urodela / Salamanders   b)  Eutharia   c)  Superclass Agnatha   d)  Birds    e)  Anura / Frogs   f)  Monotreme   g)  Class Osteichthyes   h)  Class Chondrichthyes   i)  Reptiles (non avian)   j)  Marsupial   k)  Cephalochordata
Phylum Chordata: (Made up of 3 subphyla, two of which lack a true backbone) State the four characteristics that all chordates have in common. 1. a) b) c) d) 2. State the two subphyla, within this phylum, that lack a true backbone. a) State the animals that fall within each subphylum. b) Briefly describe what animals in each subphylum look like.
What is the advantage to the segmentation that is exemplified in the Phylum Annelida?  Check all that apply. A)The annelid may still survive if one segment is damaged. B)Segments can be specialized. C)The importance of segmentation is unclear. D)Vital structures are repeated in each segment. E)Locomotion is more efficient.
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