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The Ediacara fossil formation, which contains the oldest known animal fossil

游客2025-02-06  23
问题     The Ediacara fossil formation, which contains the oldest known animal fossils, consists exclusively of soft-bodied forms. Although named after a site in Australia, the Ediacara formation is worldwide in distribution and dates to Precambrian times. This 700-million-year-old formation gives few clues to the origins of modern animals, however, because paleontologists believe it represents an evolutionary experiment that failed. It contains no ancestors of modern animal groups. [br] Which of the following is NOT mentioned in paragraph 4 as being true of the Ediacara formation?
选项 A、It contains fossils that date back to the Precambrian period.
B、It contains only soft-bodied animal fossils.
C、It is located on a single site in Australia.
D、It does not contain any fossils of the ancestors of modern animals.
答案 C
解析
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