推 nick00356 :想問+1 05/21 11:23
○1.Environmental characteristics like those present on ocean floors increase
the likelihood that plant and animal fossils will occur.
○2.The shells of organisms can be preserved by processes of chemical
precipitation or mineral exchange.
○3.Comparatively few fossils are found in the terrestrial deposits of
streams and lakes.
○4.Fossils are more likely to be preserved in shale deposits than in
deposits of clay and silt.
○5.Freezing enables the soft parts of organisms to survive longer than
the hard parts.
○6.Thin films of carbon may remain as an indication of soft tissue or
actual tissue may be preserved if exposure to bacteria is limited.
第十四題 正解是 126 但我想問 為什麼 3 不對？
貼上我認為3是的答案的文章段落
Although most fossils are found in marine sedimentary rocks, they also are
found in terrestrial deposits left by streams and lakes.
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※ 編輯: XXJAPANXX 來自: 1.167.85.198 (05/18 13:54)