Date Class: Name Figure 23-2 Taxon t Taxon I Taxon 23. In the accompanying figur

Question

Date Class: Name Figure 23-2 Taxon t Taxon I Taxon 23. In the accompanying figure, the pair of organisms that have the most recent ancestor is a 2 and 4 b. 6 and 4. c. 4 and 5 d2 and 3 e 1 and 2 24. After Kingdoem, what is the next taxon by which organims are grouped? a class b order e. genus d family e.phylum 25. A taxon that diverges earlier than the other taxa being considered in cladistic analysis is a(ny a clade b outgroup c. shared taxon. d. derived taxon e. homologous taxon 26. A study of the genomes of dogs from around the world indicated that: a the dogs' closest relative is the gray wolf b. all dogs appeared to develop from a mixture of wolf and coyote c some dogs evolved from the coyote and some from the wolf. d. all dogs appeared to evolve from a mixture of the jackal and the wolf e. all dogs appeared to evolve from a mixture of the wolf, jackal, and the coyote. 27. The term clade most closely refers to a. a class. Copyright Cergage Leaning Plowernd by Cagnere Page 5

Explanation / Answer

23. From the phylogeny, we can say that 2 & 3 and 5 & 6 have more recent common ancestors. 5 & 6 is not given in the options. So the right answer is 2 & 3.

ANSWER: d. 2 and 3

24. The order is: Domain, kingdom, phylum, class, order, family, genus, species.

ANSWER: e. Phylum

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