What Is True of the Fossil Record of Mammalian Origins

question 27

Multiple Choice

What is true of the fossil record of mammalian origins?

• A) It shows that mammals and birds evolved from the same kind of dinosaur.
• B) It includes transitional forms with progressively specialized teeth.
• C) It indicates that mammals and dinosaurs did not overlap in geologic time.
• D) It includes a series that shows the gradual change of scales into fur.

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Definitions:

Long-Term Potentiation

An enduring increase in signal transmission between two neurons that results from stimulating them synchronously, believed to be a cellular mechanism for learning and memory.

Classically Conditioned Associations

Refers to the learning process that occurs when two stimuli are repeatedly paired together; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Cerebellum

is a part of the brain that plays a major role in motor control, balance, coordination, and fine-tuning of movements.

Semantic Memories

A type of long term memory involving the capacity to recall words, concepts, or numbers, which is essential for the use and understanding of language.