本题目来源于试卷: SL/HL Topic A4.1 Evolution and speciation，类别为 IB生物学
[问答题]
5. The image is of a fossil of Magallena gryphoides from Crete, Greece from the Early
Tortonian Age approximately 9 million years bp (before present). This fossil organism is related to present day oysters (Ostreidia family).
The graph shows the relationship between the length and the width of the fossilised shell (courtesy Nikos Marangos).
[img]data/attachment/exam/2501/24/2501241156650644.jpg[/img]
(e) Suggest why fossils cou5ay4 g uvuo( ny5d-+zcm0sjfyhd 8:cc mh74r4 w p6:xrld be regarded as evidence of evolution by natural selecthsh c0r 68p:4rfwd mymc4:7xjion.
参考答案: Fossils give us data on species that are no longer living.
We can estimate the age that fossils were living.
A sequence of fossils can demonstrate (gradual) changes in features/characteristics in a
series of species that are evolving.
本题详细解析:
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