You have four similar,apparently related fossils.
1.Fossil 1 is similar to a lobe-finned fish,with a neck,flexible wrists,finger bones,and thick ribs.
2.Fossil 2 is similar to a lobe-finned fish,with a neck and flexible wrists.
3.Fossil 3 is similar to a lobe-finned fish,with a neck.
4.Fossil 4 is appears to be an amphibian lacking scales,with a neck,flexible wrists,finger bones,and thick ribs.
Which one of these would be considered a tetrapod?

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The Answer of You have four similar,apparently related fossils.
1.Fossil 1 is similar to a lobe-finned fish,with a neck,flexible wrists,finger bones,and thick ribs.
2.Fossil 2 is similar to a lobe-finned fish,with a neck and flexible wrists.
3.Fossil 3 is similar to a lobe-finned fish,with a neck.
4.Fossil 4 is appears to be an amphibian lacking scales,with a neck,flexible wrists,finger bones,and thick ribs.
Which one of these would be considered a tetrapod?

You Have Four Similar,apparently Related Fossils