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Kimberella: Quiz


Question 1: The majority of animals more complex than jellyfish and other ________ are split into two groups, the protostomes and deuterostomes.

Question 2: Kimberella dwelt in shallow waters (up to tens of meters in depth), sharing the calm, well-oxygenated sea floor with photosynthetic organisms and ________.
MetabolismArchaeaMicrobial matBacteria

Question 3: All the Kimberella fossils found so far are assigned to one ________, K. quadrata.
SpeciesLifeEvolutionBiological classification

Question 4: [3] Assemblages bearing Kimberella often also bear fossils of Yorgia, ________, Tribrachidium and Charniodiscus, suggesting that it lived alongside these organisms.
EdiacaranEdiacara biotaAnimalDickinsonia

Question 5: The classification of Kimberella is important for scientific understanding of the ________: if it was a mollusc or at least a protostome, the protostome and deuterostome lineages must have diverged significantly before 555 million years ago.
HalkieriaPaleontologyAnimalCambrian explosion

Question 6: Kimberella is a genus of fossils known only from rocks of the ________ period, and only one species, Kimberella quadrata, has been recognized.
Geologic time scaleEdiacaranCambrianEdiacara biota

Question 7: The rocks in the immediate vicinity of Kimberella fossils bear scratch marks that are very similar those made by the radulae of molluscs as they graze on ________.
Microbial matBacteriaArchaeaMetabolism

Question 8: Kimberella has been found both in the Ediacara Hills of South Australia[4] and in the Ust’ Pinega Formation in the White Sea region of ________.
United StatesRussian cultureRussiaMoscow

Question 9: Even if it was a bilaterian but not a mollusc, its age would indicate that animals were diversifying well before the start of the ________.
Geologic time scaleCambrian explosionCambrianDevonian

Question 10: The Cambrian explosion is an apparently rapid increase in the variety of basic body structures of animals in the Early ________ period, starting after 543 million years ago and finishing before 518 million years ago.
DevonianGeologic time scaleEdiacaranCambrian


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