Examlex
The Ediacaran fauna include representatives of the modern phyla ____.
Spider
A spider is an arachnid that is characterized by having eight legs, a body divided into two parts, and the ability to spin webs for catching prey.
Conditioned Response
A learned response to a previously neutral stimulus that has been repeatedly paired with an unconditioned stimulus.
Irrational Fear
An intense and persistent fear of specific situations, objects, activities, or persons that is excessive and unreasonable, given the reality of the threat.
Phobia
An extreme or irrational fear or aversion to something, often leading to avoidance behaviors.
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