Evidence of Which Structure or Characteristic Would Be Most Surprising

question 2

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) cephalization
• E) embryos

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Definitions:

Proportional Sample

A sampling method in statistical research where the sample size from each subgroup is proportional to the overall proportions of those subgroups in the total population.

Representative Sample

A segment of a population that accurately represents the attributes of the total population.

Random Sample

A sampling method where each member of a population has an equal chance of being included in the sample, reducing bias and increasing the generalizability of results.

Representative Sample

A part of a population that precisely mirrors the characteristics of the whole population.