A Group That Is Often Considered Among the Vertebrates but Is

question 68

Multiple Choice

A group that is often considered among the vertebrates but is thought by some scientists to be a sister group to the vertebrates includes the _______, which produces large amounts of slime as a defense mechanism, has three small accessory hearts, and does not possess stomach or jaws.

• A) lamprey
• B) hagfish
• C) eel
• D) slug
• E) salp

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Definitions:

Decay of Storage

Refers to the theory that information in memory fades over time if it is not accessed or used.

Nonsense Syllables

A method used in memory research involving the use of syllables without meaning (e.g., JAP, KIV) to study learning and recall processes.

Geometric Shapes

Forms defined by geometry, such as circles, squares, and triangles, used in a variety of contexts from art and design to mathematical theories.

Ebbinghaus

A psychologist known for his pioneering work in memory studies, including the discovery of the forgetting curve and the spacing effect.