Hydra, Sea anemones, corals and jellyfish belong to the:

__7) Giant squids belong to the?
A) Arthropoda         B) Cephalopoda    C) Echinodermata    D) Chordata    E) Platyhelminthes

__8) The mobile stage of Cnidarians is the ____
A) medusa       B) glochidium       C) polyp      D) cnidocyst   E) zooflagellate

__9) Hydra, Sea anemones, corals and jellyfish belong to the:
A) Porifera.       B) Cnidaria.       C) Platyhelminthes.   D) Protista.    E) Flagellates.

__10) Schistosomiasis, a devastating disease, which affects about 200 million people in Tropical Asian regions, is caused by
A) Nematodes.       B) blood, lung flukes.    C) Echinoderms.    D) Trichinella.

__11) Phylum Nematoda includes these very common organisms, some of which are parasitic in humans and most of which are often found in soil.
A) segmented worms    B) roundworms       C) flatworms    D) earthworms

__12) The Trichinella worm causes Trichonosis and is an example of a(n) ____
A) flat worm       B) planaria       C) nematode    D) tapeworm       E) leech

__13) A jointed exoskeleton and appendages is a characteristic of all:
A) marine worms.    B) annelids.       C) mammals.    D) worms    E) crustaceans

__14) The dominant animal taxon in terms of diversity and richness is
A) Annelida.       B) Arthropoda.    C) Nematoda.    D) Echinodermata.   E) Chordata.
__15) Insects are
A) annelids.   B) mandibulates .   C) chelecerates   D) arachnids.

__16) A grasshopper does not posses a respiratory system, but uses its ___ for gas exchanges.
A) tracheae.    B) gills.    C) book lungs.       D) kidneys.

__17) Which class is NOT in the phylum Arthropoda?
A)   Insecta    B) Arachnida    C) Crustacea    D) Gastropoda       E) Cephalopoda

__18) Arachnids are
A) spiders/scorpions.    B) butterflies/moths       C) grasshoppers/fleas.    D) flies/beetles

__19) The largest and most intelligent invertebrates are
A) Cephalopoda.    B) Gastropoda.    C) Chordata.   D) Flatworms.

__20) The water-vascular system of echinoderms is used for
A) locomotion       B) food capture.    C) transport of blood.   D) A and B E) all of the above

__21) Four of the five animals listed below have a common characteristic, select the exception.
A) velvetworms    B) flatworms    C) roundworm    D) earthworms    E) tapeworms

__22) Insect have __ pair of legs.
A) 2       B) 3       C) 4      D) 5

__23) Arachnids have __ pair of legs
A) 2       B) 3       C) 4      D) 5

__24) Crustaceans have __legs
A) 4       B) 8       C) 10       D) 12

__25) Four of the five animals listed below are related. Select the exception.
A. sea star    B. sea anemone    C. sea urchin       D. sea lily   E. sea cucumber

26. Four of the five features listed below are characteristic of cnidarians. Select the exception.
A. tentacles    B. polyp    C. medusa    D. nematocyst       E. nephridium

__27. The disease caused by a fluke that requires an alternate host is:
A) Elephantaisis    B) Trichinosis    C) Schistosomaisis      D) Proglottids

28. ___are the velvet worms and the walking worms. This worms are placed beween the Annelida and the Arthropoda.
A) Nemotoda       B) Planarians    C) Oncopoda       D) Flukes

__29. In the Evolutionary line of descent, the __ should be placed between the Annelida and the Arthropoda.
A) Flatworms       B) Oncopoda    C) leeches       D) Polychaeta

__30. The dischargable, tubular harpoon with barbs and toxin in Cnidaria is called:
A) proglottid       B) nephridium    C) nematocyst       D) tentacle