Cephalochordata Study guides, Class notes & Summaries
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![2024 Chordates Exams (All Answered Correctly)](/docpics/3864074/6559fc1f38cee_3864074_121_171.jpeg)
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2024 Chordates Exams (All Answered Correctly)
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What 5 features do all chordates have for at least some period of their life cycles? correct answers notochord, hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail 
 
Name the 3 subphyla of the phylum chordata. correct answers cephalochordata, urochordata, vertebrata 
 
About how many species of cephalochordata are there? correct answers 25 
 
Where do cephalochordata inhabit? correct answers shallow tropical and temperate oceans 
 
Are the cephalochordata a small or l...
![BIO 242: EXAM 3 Complete Questions & Answers(Latest Update 2024)](/docpics/4637423/65e1bc07b1356_4637423_121_171.jpeg)
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BIO 242: EXAM 3 Complete Questions & Answers(Latest Update 2024)
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Tunicates (sea squirts) belong to the subphylum: 
a. Chordata 
b. Mammalia 
c. Craniata 
d. Urochordata 
e. Cephalochordata - ANSWER D) Tunicates belong to the subphylum Urochordata 
 
Lymphatic vessels are very similar in form and function to which of the following? 
a. Arteries 
b. Capillaries 
c. Veins 
d. Bowman's Capsules 
e. Bronchioles - ANSWER C) Lymphatic vessels are very similar in form and function to veins 
 
Which of the following cell types is responsible for rapidly initiating a ...
![Intro: Chordates (with Accurate Answers)](/docpics/3864168/655a02a045cd6_3864168_121_171.jpeg)
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Intro: Chordates (with Accurate Answers)
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Chordates are _____________ animals that belong to the clade of animals known as ______________________. correct answers bilaterian, Deuterostomia. 
 
Phylum Chordata is the only Phylum including correct answers invertebrates and vertebrates. 
 
N - correct answers Notochord 
 
DHNC - correct answers dorsal hollow nerve cord. 
 
PGS - correct answers Pharyngeal gill slits/clefts. 
 
PAT - correct answers post-anal tail. 
 
Chordate Features correct answers 1. DHNC = Dorsal, hollow nerve cord 
2....
![BIO 182 LAB FINAL QUESTIONS & ANSWERS RATED 100% CORRECT!!](/docpics/5582347/6664748f40d85_5582347_121_171.jpeg)
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BIO 182 LAB FINAL QUESTIONS & ANSWERS RATED 100% CORRECT!!
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Agnatha characteristics - Answer-jawless fish 
Amphibia characteristics - Answer--moist skin 
- gas exchange through skin and lungs 
-metamorphosis 
Arachnid (tarantula) - Answer-Arthropoda 
Ascaris summ (pig roundworm) - Answer-Nematode 
Aves characteristics - Answer-birds 
- feathers 
-waterproof skin 
- hollow bones 
-endothermic 
Catfish - Answer-Actinopterygii 
Cephalochordata characteristics - Answer--retains all characteristics in adults 
Lancelets 
Chiton - Answer-Mollusca 
Chondrichthye...
![2024 Chordates Exams (All Answered Correctly)](/docpics/4949716/661405c1c659f_4949716_121_171.jpeg)
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2024 Chordates Exams (All Answered Correctly)
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What 5 features do all chordates have for at least some period of their life cycles? correct answers notochord, hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail 
 
Name the 3 subphyla of the phylum chordata. correct answers cephalochordata, urochordata, vertebrata 
 
About how many species of cephalochordata are there? correct answers 25 
 
Where do cephalochordata inhabit? correct answers shallow tropical and temperate oceans 
 
Are the cephalochordata a small or l...
![Vertebrate Zoology Midterm Review questions with correct answers](/docpics/63fd59d30f786_2419437.jpg)
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Vertebrate Zoology Midterm Review questions with correct answers
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Notochord, dorsal hollow nerve cord, endostyle, postanal tail, pharyngeal pouches and slits CORRECT ANSWER 5 Characteristics of a Chordate 
 
Vertebrata, Cephalochordata, Urochordata CORRECT ANSWER 3 Subphyla of Phylum Chordata 
 
Convergent Evolution CORRECT ANSWER The older it gets, the more it resembles another species. Begin different and end similar. 
 
Divergent Evolution CORRECT ANSWER Darwin discovered that the finches were all throughout the Galapagos and they had different types of bea...
![BIO 242: EXAM 3 STUDY QUESTIONS WITH CORRECT ANSWERS 2024](/docpics/4049895/65807fcf635e0_4049895_121_171.jpeg)
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BIO 242: EXAM 3 STUDY QUESTIONS WITH CORRECT ANSWERS 2024
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Tunicates (sea squirts) belong to the subphylum: 
a. Chordata 
b. Mammalia 
c. Craniata 
d. Urochordata 
e. Cephalochordata - D) Tunicates belong to the subphylum Urochordata 
 
Lymphatic vessels are very similar in form and function to which of the following? 
a. Arteries 
b. Capillaries 
c. Veins 
d. Bowman's Capsules 
e. Bronchioles - C) Lymphatic vessels are very similar in form and function to veins 
 
Which of the following cell types is responsible for rapidly initiating a secondary immu...
![Phylum Chordata (with Complete Answers)](/docpics/3864039/6559f98396478_3864039_121_171.jpeg)
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Phylum Chordata (with Complete Answers)
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4 Characteristics of Phylum Chordata correct answers Notochord, Dorsal tubular nerve cord, Pharyngeal gill slits, Postanal tail 
 
Notochord correct answers gives phylum chordata its name, is present in all embryos, and may be present or absent/reduced in adults. 
 
Dorsal tubular nerve cord correct answers A dorsal, hollow, ectodermal nerve cord typically forms by an infolding of the ectoderm tissue, which then pinches off and becomes surrounded by mesoderm 
 
Pharyngeal gill slits correct answ...
![Phylum Chordata (All Correct)](/docpics/3864048/6559fa6e81656_3864048_121_171.jpeg)
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Phylum Chordata (All Correct)
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What do organisms in the phylum Chordata vary from? correct answers From small worm like animals to humans. 
 
All members of the phylum Chordata have what characteristics in common? correct answers A notochord(flexible supporting rod), a dorsal, hollow nerve cord, pharyngeal gill slits, and a post-anal tail. 
 
How how are these characteristics presented? correct answers These characteristics may not be obvious, or they may even be absent in some stages of the life history, but all are present ...
![Phylum Chordata (Solved) 2024.](/docpics/3864043/6559f9f75a75e_3864043_121_171.jpeg)
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Phylum Chordata (Solved) 2024.
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All chordates must have these structures at some time in their development correct answers notochord, dorsal tubular nerve cord, pharyngeal pouches or slits, and post-anal tail 
 
notochord correct answers a stiff, but flexible rod of connective tissue extending lengthwise and dorsal to the digestive tract; is an axis for muscle attachment; in higher vertebrates it is converted in the adult to the vertebral column 
 
dorsal tubular nerve cor correct answers anterior end becomes brain, the rest i...
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