Question

7. List the three main parts of the mollusc body plan. (3 points) 1. 2. 3. 8. List one defining feature of... (4 points) Class Gastrophoda: Class Cephalopoda: Class Bivalva: Class Polyplacora: 9. Fill in the table below, comparing the features of the Phyla Mollusca, Platyhelminthes, Annelida, Nematoda and Arthropoda. If a feature varies within one of the Phyla, select the answer that is most common for that Phyla. (7.5 points) Body cavity - acoelomates, coelomates, or pseudocoelomates Digestive system - gastrovascular cavity or alimentary canal Circulatory system - none, open, closed Mollusca Platyhelminthes Annelida Nematodes Arthropods 10. List three defining features of Phylum Arthropoda that are not found in nematodes. (3 points) 1. 2. 3. 11. List thee unique features of echinoderms. (3 points) 1. 2. 3. 12. List the four ancestral characters of chordates. (4 points) 1. 2. 3. 4 13. For vertebrates... (3 points) In which clade did jaws evolve? In which clade did mineralized teeth and a partially mineralized skeleton evolve? In which clade did a fully mineralized skeleton and lungs evolve? 14. What thee features evolved in tetrapods that made them better adapted to life on land? (3 points) 1. 2. 3.

          7. List the three main parts of the mollusc body plan. (3 points)
1.
2.
3.

8. List one defining feature of... (4 points)
Class Gastrophoda:
Class Cephalopoda:
Class Bivalva:
Class Polyplacora:

9. Fill in the table below, comparing the features of the Phyla Mollusca, Platyhelminthes, Annelida, Nematoda and Arthropoda. If a feature varies within one of the Phyla, select the answer that is most common for that Phyla. (7.5 points)
Body cavity - acoelomates, coelomates, or pseudocoelomates
Digestive system - gastrovascular cavity or alimentary canal
Circulatory system - none, open, closed
Mollusca
Platyhelminthes
Annelida
Nematodes
Arthropods

10. List three defining features of Phylum Arthropoda that are not found in nematodes. (3 points)
1.
2.
3.

11. List thee unique features of echinoderms. (3 points)
1.
2.
3.

12. List the four ancestral characters of chordates. (4 points)
1.
2.
3.
4

13. For vertebrates... (3 points)
In which clade did jaws evolve?
In which clade did mineralized teeth and a partially mineralized skeleton evolve?
In which clade did a fully mineralized skeleton and lungs evolve?

14. What thee features evolved in tetrapods that made them better adapted to life on land? (3 points)
1.
2.
3.

7. List the three main parts of the mollusc body plan. (3 points)
1.
2.
3.

8. List one defining feature of... (4 points)
Class Gastrophoda:
Class Cephalopoda:
Class Bivalva:
Class Polyplacora:

9. Fill in the table below, comparing the features of the Phyla Mollusca, Platyhelminthes, Annelida, Nematoda and Arthropoda. If a feature varies within one of the Phyla, select the answer that is most common for that Phyla. (7.5 points)
Body cavity - acoelomates, coelomates, or pseudocoelomates
Digestive system - gastrovascular cavity or alimentary canal
Circulatory system - none, open, closed
Mollusca
Platyhelminthes
Annelida
Nematodes
Arthropods

10. List three defining features of Phylum Arthropoda that are not found in nematodes. (3 points)
1.
2.
3.

11. List thee unique features of echinoderms. (3 points)
1.
2.
3.

12. List the four ancestral characters of chordates. (4 points)
1.
2.
3.
4

13. For vertebrates... (3 points)
In which clade did jaws evolve?
In which clade did mineralized teeth and a partially mineralized skeleton evolve?
In which clade did a fully mineralized skeleton and lungs evolve?

14. What thee features evolved in tetrapods that made them better adapted to life on land? (3 points)
1.
2.
3.

Added by Trinidad S.

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