Animalia II
Quiz on platyhelminthes, nematodes and rotifers
- 1.
What does parthenogenic mean?
- A.
Development of an diploblastic embryo.
- B.
Development of a fertilized egg into an organism
- C.
Development of an unfertilized egg into an organism
- D.
Development of an triploblastic embryo.
Correct Answer
C. Development of an unfertilized egg into an organism -
- 2.
What are Lophotrochozoans?
- A.
Animals with a ciliated larval phase.
- B.
Animals that have shared derived characteristics.
- C.
Ancient Eukaryotes.
- D.
Animals with a crown of ciliated tentacles.
Correct Answer(s)
A. Animals with a ciliated larval phase.
D. Animals with a crown of ciliated tentacles. -
- 3.
Ecdysozoans have what?
- A.
Three germ layers.
- B.
Exoskeletons or tough cuticles that periodically shed.
- C.
A lateral line system.
- D.
All characteristics of animals.
- E.
No true head.
Correct Answer
B. Exoskeletons or tough cuticles that periodically shed. -
- 4.
What is another term for hermaphroditic?
- A.
Dioecious
- B.
Monoecious
- C.
Gonochoristic
- D.
Acoelomates
Correct Answer
B. Monoecious -
- 5.
What class of platyhelminthes have auricles?
- A.
Monogenea
- B.
Turbellaria
- C.
Cestoidea
- D.
Trematoda
Correct Answer
B. Turbellaria -
- 6.
Platyhelminthes are
- A.
Coelomates
- B.
Pseudocoelomates
- C.
Acoelomates
Correct Answer
C. Acoelomates -
- 7.
What is the opening posterior to the pharynx on turbellarians(flatworms) called?
- A.
Anus
- B.
Mouth
- C.
Genital pore
- D.
Gill
Correct Answer
B. Mouth -
- 8.
Flatworms are parasites.
- A.
True
- B.
False
Correct Answer
B. False -
- 9.
They move by
- A.
Use of their siphon
- B.
Body contractions
- C.
Cilia
- D.
Crawling
Correct Answer
C. Cilia -
- 10.
Platyhelminthes are
- A.
Diploblastic
- B.
Triploblastic
Correct Answer
B. Triploblastic -
- 11.
Monogeneans attach to their prey using what?
- A.
Hooks
- B.
Anterior and posterior suckers
- C.
Ophishaptors
- D.
Their mouths
Correct Answer
C. Ophishaptors -
- 12.
Monogeneans are what?
- A.
Endoparasites
- B.
Ectoparasites
- C.
Free-living
- D.
Bulk feeders
Correct Answer
B. EctoparasitesExplanation
They live on the gills of fish by using their ophishaptors.Rate this question:
-
- 13.
Flukes have what to protect them from the digestive enzymes of their hosts?
- A.
Pepsin
- B.
Skin
- C.
A cuticle
- D.
Special pores
Correct Answer
C. A cuticleExplanation
Their cuticle is secreted by their epidermis and prevents them from being digested.Rate this question:
-
- 14.
What are Cestoideans segmented into?
- A.
Septa
- B.
Head
- C.
Scolex
- D.
Abdomen
- E.
Proglottid
Correct Answer(s)
C. Scolex
E. Proglottid -
- 15.
Which of these has nothing to do with the life cycle of flukes(trematoda)?
- A.
Embryo
- B.
Sporocyst
- C.
Rediae
- D.
Cercariae
- E.
Metacercariae
Correct Answer
A. Embryo -
- 16.
Nematodes and Rotifers are what?
- A.
Pseudocoelomates
- B.
Acoelomates
- C.
Coelomates
Correct Answer
A. Pseudocoelomates -
- 17.
What two advancements over platyhelminthes do nematodes have?
- A.
A notochord
- B.
Embryonic development
- C.
A complete digestive tract
- D.
A closed circulatory system
- E.
A body cavity
Correct Answer(s)
C. A complete digestive tract
E. A body cavity -
- 18.
Their musculature consists mainly of what type of muscles?
- A.
Longitudinal
- B.
Latitudinal
- C.
Pectoral
Correct Answer
A. Longitudinal -
- 19.
Rotifers have a crown of what?
- A.
Algae
- B.
Spines
- C.
Teeth
- D.
Cilia
- E.
Gills
Correct Answer
D. Cilia -
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Mar 21, 2022Quiz Edited by
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Apr 19, 2010Quiz Created by
Jataylor2012
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