Why Are Lampreys Classified as Vertebrates

question 9

Multiple Choice

Why are lampreys classified as vertebrates?

• A)They are ectothermic.
• B)They lack jaws.
• C)They lack gills.
• D)They have an exoskeleton.
• E)Their nerve cord is surrounded by cartilage.

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Definitions:

Id

In psychoanalytic theory, the part of the psyche that is the source of instinctual impulses and demands for immediate satisfaction of primitive needs.

Personality

The combination of emotional, attitudinal, and behavioral response patterns of an individual that are unique and relatively consistent over time and across situations.

Id

In psychoanalytic theory, the part of the mind in which innate instinctive impulses and primary processes are manifest.

Anger

is a strong feeling of displeasure and usually of antagonism, often resulting from a perceived wrong or injustice.