CHM 4220 Exam 4 Study Guide Questions & Answers 2023/2024-1. In vertebrates the notochord is
a) An important nerve system structure found in adults
b) An embryonic tissue
c) Part of the never cord
d) The main part of
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CHM 4220 Exam 4 Study Guide Questions & Answers 2023/2024-1. In vertebrates the notochord is
a) An important nerve system structure found in adults
b) An embryonic tissue
c) Part of the never cord
d) The main part of vertebrate backbone
2. The neural crest originates from
a) The neural tube
b) The notochord
c) The ectoderm
d) None of the above are correct
3. Which of the following statements are correct?
a) Fish and amphibians together form one monophyletic group
b) Fish form a paraphyletic group
c) Reptiles and mammals together form one monophyletic group
d) All of the above are correct
e) None of the other options are correct
4. Fish:
a) Cannot produce aromatic amino acids
b) Have open circulatory system
c) Always have swimming fins
d) All of the above are correct
5. Which of the following statements is correct about fish?
a) Gills evolved from jaws
b) Teeth evolved from scales
c) Sharks have external fertilization
d) All of the above are correct
e) None of the above are correct
6. Which of the following groups of fish have muscles inside of their fins?
a) Sharks
b) Ray-finned fish
c) Lobe-finned fish
d) All of the above are correct
e) None of the above are correct
7. Which of the following word pairs are correct?
a) Tiktaalik/lobe-finned fish
b) Tiktaalik/amphibians
c) Tiktaalik/ancestral fossil of tetrapods
d) None of the above are correct
8. Reptiles with anapsis skull have lateral holes for muscles to attach.
a) 0
b) 1
c) 2
d) 3
e) None of the above are correct
9. Mammals derive from reptiles
a) Anapsis
b) Synapsis
c) Diapsis
d) None of the above are correct
10. Modern birds have
a) Only symmetric feathers
b) Very high number of bones
c) Many fused bones
d) None of the above are correct
11. Hooves and horns of mammals are made of:
a) Keratin
b) Chitin
c) Calcium carbonate
d) Collagen
12. Where does absorption of water mostly take place?
a) Stomach
b) Small intestine
c) Large intestine
d) All of the above are correct
13. The interior of the digestive track is known as:
a) Serosa
b) Epithelium
c) Lumen
d) Endogastron
14. Which of the following seal the larynx when you swallow foods?
a) Glottis
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