Figuer: Main Animal Groups Are Noted at the Right. Names Diverging

question 35

Multiple Choice

Figuer:
Main animal groups are noted at the right. Names diverging at each node are morphological or body form names. Note that the animal traits key to distinguishing the groups and body forms are not shown.
-Prior to the divergence of animals,an ancestor is proposed to have developed the key shared trait of all animals,the

• A) presence of a mouth by which to consume nutrition materials.
• B) body form of having true tissues.
• C) body form of multicellularity.
• D) embryonic development of the mouth first, from embryonic cells.
• E) ganglia or brain cells to control all motion.

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Definitions:

Nonsense Syllables

A string of letters that has no meaning, used in psychological experiments to study memory and learning processes.

Short-Term Memory

A cognitive system with a limited capacity that is capable of temporarily holding information available for processing.

Memory Span

The amount of information or number of items that an individual can retain and recall in short-term memory.

Sensory Memory

The briefest memory component that enables people to maintain sensations of sensory data even after the initial stimulus has disappeared.