The wings of a bird and the wings of an insect are:
1. | Homologous structures that represent convergent evolution. |
2. | Homologous structures that represent divergent evolution. |
3. | Analogous structures that represent convergent evolution. |
4. | Phylogenetic structures that represent divergent evolution. |
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If you visit Africa you will find an amazing variety of species of living organisms. But you will also notice that different parts of the continents have different biodiversity. This is because the different areas of Africa will have different:
1. | evolutionary mechanisms | 2. | ancestors |
3. | environments | 4. | evolutionary times |