Pink fairy armadillo homologous structure are similar to human homologous structure. But how?

It is imperative to have into account which is the origin of the pink fairy armadillo homologous structure.

Explanation:

Homologous structures are the product of common ancestry, while similarities/analogies are the result of convergent evolution (i.e., they do not share a common ancestor). Moreover, the homoplasy is produced when a structure was gained or lost in different lineages during evolution.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

layer 3 is younger than layer 6.