___E__ 2. When asked, you tell a child that a centipede is a
a. member of the class insecta
b. part of the largest phylum arthropoda, related to the lobster c. part of the subphylum cheliceriformes
d. part of the subphylum myriapoda
e. B and D above (told in different short conversations)
__D___ 3. When asked, you tell a child that an octopus is a
a. member of the class cephlapoda.
b. part of the phylum mollusca, whose ancestors lost the shell (ammonites) altogether. c. related to squid, nautiluses, and snails which have part or all of their shells still. d. all of the above (told in different short conversations) e. A and C above
___A __ 4. ___________ lack a body cavity between the digestive cavity and the outer body wall.
e. A and C above
___C__ 5. Which of the following combinations of phylum and desription is (are) incorrect?
a. Nematoda-roundworms, pseudocoelomate.
b. Echinodermata- bilateral and radial symmetry; coelom from archenteron. c. Porifera- gastrovascular cavity; coelom present. d. Cnidaria- radial symmetry; polyp and medusal body forms. e. Platyhelminthes- flatworms, gastrovascular cavity, acoelomate. ___A__ 6. The cockroach belongs in the __________while the grasshopper belongs in the _________
a. order blattodea……………....order orthoptera of the class insecta b. order coleoptera……………...order lepidoptera of the class insecta c. order hymenoptera…………...order coleptera of the class hexapoda d. order dermaptera …………….order hemiptera of the class myriapoda e. order blattodea……………….order coleoptera of the class insect
__A___ 7. A protostome coelomate which has 3 body parts, an open circulatory system, is hermaphroditic is
a. the phylum mollusca
b. the phylum annelida
c. the phylum arthropoda
d. the phylum ctenophore
e. the phylum echinodermata
____A_ 8. A protostome coelomate which is segmented, has a closed circulatory system, hermaphroditic is
a. the phylum annelida.
b. the phylum arthropoda.
c. the phylum mollusca.
d. the phylum ctenophore.
e. the phylum cnidaria.
___D__ 9. The chart at the right illustrates a recent global estimate of the relative number of described species of major living animal organisms. Which group is represented by the group labeled “2” most likely?
a. Phylum arthropoda.
b. Phylum cnidarian.
c. Phylum echnidermata.
d. Phylum chordata.
e. Phylum platyhelminthes
__B___ 10. ___________ possess a proper body cavity between the digestive cavity and the outer body wall with hanging organs.
e. A and C above
___B__ 11. HOX refers to…..
a. a body morphology plan resulting in the head thorax and abdomen of arthropods. b. a cluster of genes responsible for determining morphological development in bilaterals. c. a cluster of genes responsible for determining morphological development in radials. d. genes that determine central nervous system and compound eye traits. e. All of the above
___C__ 12. Which sponge cells are primarily responsible for trapping and removing food particles from circulating water?
a. spicules d. mesoglea cells b. porocytes e. protonephridia
___B__ 13. Indicate in what phylum and class animals with a crop and a gizzard are found?
a. Phylum Annelida, class oligochaeta.
b. Phylum Mollusca, class bivalvia.
c. Phylum Chordata, class...