Question

Taxonomy If organisms A, B, and C belong to the same class but to different orders...

Taxonomy

If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology? Explain.

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Answer #1

Taxonomic heirarchy:
Kingdom ---> Phylum ---> Class ---> Order ---> Family ---> Genus ---> Species

As we move from kingdom to species, the number of similar characters increase.
As we move from species to kingdom, the number of similar characters decrease.

Given information,
A, B, and C belong to the same class but different orders.
C, D, and E belong to the same order but different families.

C is more similar to D and E than to A and B.
This is due to the fact that C, D, and E belong to the same order.

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