Which Type of Worm Lacks a Complete Digestive Tract

question 69

Multiple Choice

Which type of worm lacks a complete digestive tract?

• A)Flatworms
• B)Annelids
• C)Roundworms
• D)All of the above

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Definitions:

Short-Term Memory

The part of the memory system that temporarily holds a limited amount of information for a brief period.

Digits

Numerals (0-9) used in numerical systems, or the fingers and toes of hands and feet.

Recall

A cognitive process of retrieving previously learned or experienced information.

Brown-Peterson Task

A cognitive exercise used to assess short-term memory and attention span by having individuals try to remember trigrams or three-letter combinations after various distractions and intervals.