500
Fill in the following blanks by using the following taxonomic groups: kingdom, phylum, class, order, family, genus, or species.
All species in the same ________ share a more recent common ancestor than do all species from the same _______.
Correct answers:
1) genus; family or order or class or phylum or kingdom
2) family; order or class or phylum or kingdom
3) order; class or phylum or kingdom
4) class; phylum or kingdom
5) phylum; kingdom
Notice that in the order listed in the question, each group is contained within the previous group and each smaller groups shares (should) a more recent common ancestor.