单语范例（未经PONS编辑处理）
英语
- The transition itself can only be illustrated and corroborated by transitional fossils, which will never demonstrate an exact half-way point.en.wikipedia.org
- More attention was given to transitional fossils and evolutionary radiation -- eventually producing a much-more complete encyclopedia of invertebrate paleontology.en.wikipedia.org
- Thus, with cladistics there is no longer a transition between established groups, and the term transitional fossils is a misnomer.en.wikipedia.org
- The transition itself can only be illustrated and corroborated by transitional fossils, which never demonstrate an exact half-way point between clearly divergent forms.en.wikipedia.org
- It is considered a transitional fossil, in that it displays features of both groups.en.wikipedia.org
- It is an evolutionary grade of transitional fossils, the primitive birds halfway between dinosaur ancestors and the derived modern birds.en.wikipedia.org
- Therefore, we can't assume transitional fossils are direct ancestors of more recent groups, though they are frequently used as models for such ancestors.en.wikipedia.org
- They are an excellent example of transitional fossils, since they have both the dentary-squamosal and articular-quadrate jaw joints.en.wikipedia.org
- Thus, the transition itself can only be illustrated and corroborated by transitional fossils, but it will never be known in detail.en.wikipedia.org
- It is not considered a transitional fossil though, but an extreme example of convergent evolution.en.wikipedia.org
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