Exam 31: Sponges, Cnidarians, Ctenophores, and Protostomes

A member of subphylum Chelicerata is a spider. ____________________

_______ are also called velvet worms.

Figure 31-2 Use the figure to answer the corresponding question(s). -Refer to Figure 31-2.The structure labeled 5 is used for:

The body of a tapeworm consists of segments, each of which is called a proglottid. ____________________

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -squids

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -Obelia

Clams and oysters are:

Figure 31-5 Use the figure to answer the corresponding question(s). -Critical to polychaete and oligochaete locomotion are:

Sponge larvae:

In sponges, spicules are secreted by amoeboid cells. ____________________

Figure 31-4 Use the figure to answer the corresponding question(s). -The larva in Figure 31-4 is:

Segmentation in arthropods differs from that of annelids because arthropod segments are:

Figure 31-2 Use the figure to answer the corresponding question(s). -The anterior end of a tapeworm is known as the:

You have a sample of cat emesis (vomit) and find worms in the sample.The cylindrical worms are long and slender, pointed at each end, with no other distinguishing characteristics.They are members of the phylum:

The polyp form of a cnidarian has its tentacles pointed downward. ____________________

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -earthworms

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -Scyphozoans

Figure 31-4 Use the figure to answer the corresponding question(s). -The larva in Figure 31-4 is characteristic of:

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -centipedes

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -Hydra