A Phylogenetic Tree

question 54

Multiple Choice

A phylogenetic tree

• A) indicates common ancestors.
• B) indicates the organism's taxon.
• C) uses only derived characters.
• D) indicates common ancestors for each family.
• E) also includes the organism's order and class.

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Definitions:

Nasopharynx

The upper part of the pharynx, connecting the nasal cavity above the soft palate to the oropharynx and laryngopharynx.

Tonsil

Small masses of lymphatic tissue located at the back of the throat that help in fighting off infections.

Pharyngeal

Relating to the pharynx, the part of the throat behind the mouth and nasal cavity.

Lingual

Lingual pertains to the tongue, often regarding its anatomical structure, functions, or associated phenomena like lingual nerves or lingual tonsils.