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Invertebrate: Quiz


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Question 1: ________' Systema Naturae divided these animals into only two groups, the Insecta and the now-obsolete vermes (worms).
Charles DarwinCarl LinnaeusBiologyBotany

Question 2: Within paleozoology and paleobiology, invertebrates big and small are often studied within the ________ discipline called invertebrate paleontology.
AnimalGeologic time scaleFossilGeology

Question 3: ________jellyfishes, corals, sea anemones, hydras

Question 4: These two, plus all the other known invertebrates, have only one cluster of ________, while the vertebrates have duplicated their original cluster more than once.
Transcription factorHomeoboxHomeodomain foldHox gene

Question 5: Annelidasegmented worms (________, leeches, polychaetes)

Question 6: They are now classified into over 30 phyla, from simple organisms such as sea sponges and flatworms to complex animals such as ________ and molluscs.

Question 7: (For a full list of animals considered to be invertebrates, see ________.) All the listed phyla are invertebrates along with two of the three subphyla in Phylum Chordata: Urochordata and Cephalochordata.

Question 8: The group includes 95% of all animal species[1] — all animals except those in the ________ subphylum Vertebrata (fish, reptiles, amphibians, birds, and mammals).

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