Evidence of Which Structure or Characteristic Would Be Most Surprising

question 1

Multiple Choice

Evidence of which structure or characteristic would be most surprising to find among fossils of the Ediacaran fauna?

• A) true tissues
• B) hard parts
• C) bilateral symmetry
• D) embryos

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Definitions:

Positive Reinforcement

A process that strengthens behavior by providing a reward or positive outcome after the behavior occurs.

Widgets

Small applications or programs, often part of a larger system, designed to perform a specific function for the user.

Unconditioned Response

An automatic and natural reaction that occurs in response to an unconditioned stimulus without prior learning or conditioning.

Unconditioned Stimulus

A stimulus that naturally triggers a reflexive response without any prior learning or conditioning.