Multiple Choice
Which of the following best describes a phylogenetic tree as discussed in Chapter 26: Phylogeny and the Tree of Life?
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25. Phylogeny
Introduction to Phylogeny
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Which statement below is correct?
A
Members of the same genus are more likely to be closely related than members of the same order.
B
A class is made up of many phyla.
C
An order contains more types of organisms than a class.
D
Members of the same family are, by definition, also members of the same genus.
Verified step by step guidance1
Understand the hierarchical classification system in biology, which organizes living organisms into categories such as domain, kingdom, phylum, class, order, family, genus, and species.
Recognize that members of the same genus are more closely related than members of the same order. The genus is a more specific category than order, indicating closer evolutionary relationships.
Clarify that a class is not made up of many phyla. Instead, a phylum is a higher taxonomic rank than class, and a class is made up of many orders.
Understand that an order contains fewer types of organisms than a class. A class is a broader category that encompasses multiple orders.
Note that members of the same family are not necessarily members of the same genus. A family can contain multiple genera, so while they are closely related, they are not all in the same genus.
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