Fernando and Graham Are Talking

question 7

Multiple Choice

Fernando and Graham are talking.At one point,Graham completes a story by letting the pitch of his voice drop at the end of his statement.Which turn behavior is Graham most likely performing with his drop in pitch?

• A)turn-requesting
• B)turn-maintaining
• C)turn-denying
• D)turn-yielding

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Definitions:

Co-Option

The process by which nature reuses an existing feature or trait for a new purpose, similar to exaptation.

Phylogeny

The evolutionary history and lineage of species or other taxonomic groups of organisms, often illustrated with a phylogenetic tree.

Taxonomy

Taxonomy is the science of describing, naming, and classifying species of living or fossil organisms.

Monophyletic

Describes a group of organisms that form a clade.