The answer Would Be B
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<em>Leaves fall from broken branches only if they were dry.Any others will not fall</em>
Missense Mutation. A nucleotide was substituted for another- and most importantly- changes the final amino acid.
Answer:
d. furcula
Explanation:
Furcula
Furcula is a synapomorphy linking dinosaurs and birds .
The furcula is the structure formed by midline fusion of clavicles and this very element is unique in the theropods as well . And is the most crucial for understanding the link between birds and the theropods .
The first suggestion was by Huxley in 1868 , and in 1870 , the key component of the debate is the presence of Frucula .