Bio1331 Animals - Evolution - Lophotrochozoans (lecture Four)
11 Questions
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Questions and Answers
- 1.True or False?All protostomes are triploblastic.
- A.
True
- B.
False
- 2.
- A.
Spiral cleavage, determinate
- B.
Radial cleavage, determinate
- C.
Spiral cleavage, indeterminate
- D.
Radial cleavage, indeterminate
- 3.There are two clades of protostomes.Name one of those clades.
- 4.Lophotrochozoans have two main important features that set them apart from ecdysozoans.Name one of these two features.
- 5.What is the "Scientific" name for segmented worms?
- 6.
- 7.What is the Scientific name for flatworms?
- 8.Complete the following sentence:Mollusks have a _________, a fold of tissue that covers the organs of the visceral mass, secreting a hard, calcareous shell.
- 9.Complete the following sentence:One of the components of a mollusk's tripartite body is the _______________, containing most of the organism's internal organs.
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