Question 3.3 What is the difference between a coelomate and an acoelomate animal?
Question 3.4 Name the different organs normally found in platyhelminths.
Question 3.5 How do these organisms ‘respire’?
Question 3.6 How do platyhelminths remove liquid metabolic waste products?
Question 3.7 Name the classes within this phylum. What are the distinguishing features
of each class?
Question 3.8 What is the difference between a nematode and a platyhelminth?
Question 3.9 How do nematodes maintain their shape and structure?
Question 3.10 What is an acanthocephalan and in what hosts are they most frequently
found?
CESTODES
Question 3.1 What are the main features of cestodes?
Question 3.2 What are the main subclasses within the cestodes?
Question 3.3 Why are the Cestodaria considered to be a primitive group?
Question 3.4 Name with examples the four most common groups within the Eucestoda.
Question 3.5 Describe the characteristics of cestode eggs.
Question 3.6 What is the structure and function of a scolex?
Question 3.7 Name and describe the different types of attachment organs associated
with a scolex.
Question 3.8 What is a proglottid and where is it formed?
Question 3.9 What organs are found in a mature proglottid?
Question 3.10 Describe the structure and function of the tegument.
Question 3.11 What types of tissues are found within the Cestoda?
Question 3.12 Describe the male and female reproductive organs.
Question 3.13 Outline a typical cestode life-cycle.
Question 3.14 Name and describe the different types of metacestodes.
TREMATODES
Question 3.1 Name with examples the three different orders within the class Trematoda.
Question 3.2 What are the differences between a monogenean and digenean trematode?
Question 3.3 What types of attachment organs are found associated with the
trematodes?
Question 3.4 Describe the structure and variations of the digenean alimentary canal.
Question 3.5 How does the tegument of a digenean compare to that of a eucestode?
Question 3.6 Describe the digenean reproductive systems.
Question 3.7 What are the characteristic features of digenean eggs?
Question 3.8 Outline the basic life-cycle of both a monogean and a digenean trematode.
Question 3.9 Describe the larval stages that can occur during a digenean life-cycle.
Question 3.10 What are the necessary requirements of a trematode habitat?
NEMATODES
Question 3.1 What are the general characteristics of nematodes?
Question 3.2 Give a general description of a typical nematode.
Question 3.3 What are the distinguishing features of the internal anatomy of a
nematode?
Question 3.4 How does a nematode maintain its body shape and what type of ‘skeleton’
does it have?
Question 3.5 Describe the mouth parts of a nematode in relation to its type of feeding.
PLATYHELMINTHS