Which of the Following Observations Provides the BEST Evidence That

question 19

Multiple Choice

Which of the following observations provides the BEST evidence that intelligence test scores are influenced by heredity?

• A) Japanese children have higher average intelligence scores than do American children.
• B) Identical twins raised together are more similar in their intelligence scores than identical twins raised separately.
• C) The intelligence scores of children are positively correlated with the intelligence scores of their parents.
• D) Identical twins raised separately are more similar in their intelligence scores than fraternal twins raised together.

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Definitions:

Clades

Groups in a phylogenetic tree that include a single ancestor and all its descendants, representing monophyletic branches.

Motility

The ability of organisms and cells to move spontaneously and actively, consuming energy in the process.

Amoebozoa

A phylum of single-celled organisms characterized by their amoeboid movement and feeding by phagocytosis.

Excavates

A group of unicellular organisms, many of which are flagellates, that includes both free-living and parasitic species.