Chondrichthyes - Study guides, Class notes & Summaries
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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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WSU Biology 106 Exam 3 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES |ALREADY GRADED A+
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WSU Biology 106 Exam 3 
QUESTIONS AND CORRECT 
DETAILED ANSWERS WITH 
RATIONALES |ALREADY GRADED A+ 
Arthropods - ANSWER- Phyla with greatest amount of diversity with 85% of animal spp 
700 million years ago - ANSWER- When the first animals originated 
Porifera (sponges) - ANSWER- Phyla with no tissues, muscles, nerves, or specialized 
organs 
Choanocytes - ANSWER- Flow of water and food acquisition in sponges 
Amoebocytes - ANSWER- Found in sponges, these cells are mobile and perform 
numer...
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Aquaculture Test Bank 2024/2025 updated Questions And Answers 100% correct Verified
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The _____ of a fish removes oxygen from the water and forces it through its gills - 
Respiratory System 
_______ conveys sensation impulses to a fish's brain. - Nervous System 
________ breaks down the food a fish consumes. - Digestive System 
The ________ consists of intestines and kidneys and it filters waste from the blood. - 
Excretory System 
The _______ is a lateral line for balance. - Sensory System 
The _______ consists of testes, ovaries, produces sperm and egg for the next generation....
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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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BIO 200 UPDATED FINAL EXAM LATEST 2023-2024/ BIO200 FINAL EXAM QUESTIONS AND ANSWERS 2023-2024 REAL EXAM QUESTIONS|A+ GUARANTEED
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The advantage of yeast cells over bacterial cells to express human 
proteins is that: -CORRECT ANSWER-- yeast cells are eukaryotic and 
modify proteins similarly to human cells 
Which of the following is a change that might have facilitated the move 
of aquatic plants onto land? 
a) desire for protection from herbivory 
b) protection from desiccation 
c) ability to survive with lower [CO2] 
d) adaptation to seasons 
e) ability to grow tall 
-CORRECT ANSWER-- ability to survive with lower CO2 
Br...
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An Sci 200 (Exam 1) Questions and Complete Solutions
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The United States has a total of ___ million pet animals - 356 
 
What is the most common companion animal? - 139 million fresh-water fish 
 
What is the order of popularity for companion animal species? - 1. Freshwater fish (139 million) 13% of homes 
2. Cats (90 million) 34% of homes 
3. Dogs (73 million) 40% of homes 
4. Small animals (18 million) 5% of homes 
5. Birds (16 million) 6% of homes 
6. Reptiles (11 million) 4% of homes 
7. Marine fish (9 million) .7% of homes 
8. Horses (5.2...
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CVA Exam 1 (2022 Answered) Graded A+
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CVA Exam 1 (2022 Answered) Graded A+ 
 
5 chordate synapomorphies 
1. pharyngeal wall with bilaterally symmetrical pharyngeal pouches and pharyngeal slits 
2. Mid-dorsal hollow nerve cord (in humans:spinal cord) 
3. a single, mid-dorsal supportive rod, the notochord (in humans:intervertebral discs) 
4. a muscular postanal tail at some stage in life (in human: coccyx) 
5. endostyle (precursor to thyroid) or thyroid gland 
characters found in some inverts or absent in some chordates 
1. segmented ...
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BIO 242: EXAM 3 SOLUTION LATEST 2023 EDITION GUARANTEED GRADE A+
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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 immune res...
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Marine Biology Exam 2 Revised Questions with Complete solutions
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1. Agnatha - Hagfish & lamprey, jawless, lack paired appendages and scales, skeleton is entirely 
cartilage 
2. Hagfish & features - slime eel, mucus gland pores, reduced eyes and ears, comb-like teeth, 
no osmotic pressure 
3. Lamprey & features - movable eyes, osmotic system (very distinctive osmotic pressure), size 
of or larger than hagfish, parasitic, round mouth with hard teeth, reproductive larvae in 
freshwater & adults move to seawater to feed 
4. Chondrichthyes - Cartilage fish, mo...
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FISHES TEST 2023 QUESTIONS WITH CORRECT ANSWERS.
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Class of Bony Fish - ANSWER Osteichthyes 
 
Class of cartilaginous fish - ANSWER Chondrichthyes 
 
Class of Hagfish - ANSWER Myxini 
 
Class of Lampreys - ANSWER Cephalaspidomorphi 
 
Extinct armored fish - ANSWER Placoderms 
 
Phylum of all fish - ANSWER Chordata 
 
Subphylum of all fish - ANSWER Vertebrata 
 
Sea lamprey - ANSWER During the 1950's, Great Lakes Fisheries were devastated by this invasive parasite 
 
Ray - ANSWER Cartilaginous fish with triangular-shaped body, prominant dorsal f...
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