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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Creation & Evolution
Are there transitional fossils?
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<blockquote data-quote="PsychoSarah" data-source="post: 71415813" data-attributes="member: 345531"><p>-_- why? Mudskippers have far fewer tetrapod traits than lungfish do. Furthermore, the split between fish and tetrapods occurred many millions of years ago. It's unlikely any modern organism is going to be an accurate representation of that split, as even when capabilities evolve multiple times independently, they are never physiologically the same in each instance. For example, consider flight, which evolved independently 4 times (insects, pterosaurs, birds, and bats). The wings of insects are structurally distinct from those of pterosaurs, birds, and bats. In fact, anatomically, they are all quite different from each other. </p><p></p><p>Additionally, Tiktaalik has more tetrapod traits than lungfish do. The best transitional species are those that are fairly intermediate between the groups in question (which is why Lucy is often brought up in concerns of human evolution, even though there are more than a dozen other transitional species one could choose to bring up).</p></blockquote><p></p>
[QUOTE="PsychoSarah, post: 71415813, member: 345531"] -_- why? Mudskippers have far fewer tetrapod traits than lungfish do. Furthermore, the split between fish and tetrapods occurred many millions of years ago. It's unlikely any modern organism is going to be an accurate representation of that split, as even when capabilities evolve multiple times independently, they are never physiologically the same in each instance. For example, consider flight, which evolved independently 4 times (insects, pterosaurs, birds, and bats). The wings of insects are structurally distinct from those of pterosaurs, birds, and bats. In fact, anatomically, they are all quite different from each other. Additionally, Tiktaalik has more tetrapod traits than lungfish do. The best transitional species are those that are fairly intermediate between the groups in question (which is why Lucy is often brought up in concerns of human evolution, even though there are more than a dozen other transitional species one could choose to bring up). [/QUOTE]
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Are there transitional fossils?
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