While Driving Down the Interstate at Rush Hour, You Get

question 14

Essay

While driving down the interstate at rush hour, you get cut off by an 18-wheeler and have to slam on the brakes. In addition to a major case of road rage, you also develop a rapid heart rate and breathing rate. What caused this increase? (Indicate the branch of the nervous system and neurotransmitters.) What is happening to your digestion at this point?

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Definitions:

Monophyletic

Describes a group of organisms that are classified in the same taxon and share a common ancestor.

Polyphyletic

Describes a taxonomic group that does not share an immediate common ancestor and therefore does not form a clade.

Clade

A single “branch” in the tree of life; each clade represents an organism and all of its descendants.

Opposable Toes

A characteristic of some primates where the big toe can be moved around to touch the other toes, allowing for more precise manipulation of objects.