Lophotrochozoa II

Which of the following is a group that Platyhelminths do NOT belong to?

• Bilateria

• Protosomes

• Ecdysozoa

• Lophotrochozoa

An important structure for some Protostomes, a _________ is a circular-ridge of tentacles around the mouth which functions in food collection and gas exchange

• Trochophore

• Lophophore

• Coelom

• Proglottid

Which organ system would you not find in a Platyhelminthe?

• Digestive system

• Respiratory system

• Nervous system

• Reproductive system

Which group of Platyhelminthes are all free-living marine animals, often with fabulous coloration.

• Tricladida

• Trematoda

• Cestoda

• Polycladida

Convergent evolution can be seen in _________ and Bivalves, which both have a two-part shell (valve)

• Bryozoa

• Ectoprocta

• Brachiopoda

• Molluscs

Which part of the mollusc body can sometimes excrete a shell?

• The mantle

• The visceral mass

• The radula

• The foot

Which class of Molluscs contains squid and octopi?

• Bivalves

• Polyplacophora

• Cephalopoda

• Gastropoda

Leeches belong to the phylum

• Annelida

• Lophotrochozoa

• Polychaeta

• Clitellata