The Transition to Multicellularity

question 5

Multiple Choice

The transition to multicellularity

• A)has occurred once.
• B)is an obligate condition.
• C)occurs only in slime molds.
• D)must convey a selective advantage to individuals if it is to occur.

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Definitions:

Cognition

The procedure of acquiring comprehension and insights by thinking, experiencing events, and sensory observation.

Top-Down Processing

An approach to processing information that starts with the brain's higher-level cognitive processes before receiving specific data from the senses.

Bottom-Up Processing

Analysis that begins with the sensory receptors and works up to the brain’s integration of sensory information.

Phantom Limb Sensations

The experience of sensations, often painful, in a limb that has been amputated, as if the limb were still present.