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Which U.S. president was in office when the Trail of Tears occurred? 

What role did the concept of “Manifest Destiny” play in westward migration? 

Traits that show continuous variation, such as height, are called __________ traits.

Match each stage of Hodgkin lymphoma with its correct description.

What is polyploidy and why is it common in plant speciation?

Dysfunction of the rotator cuff most directly affects stability of which joint during shoulder movement?

Which pain pattern is most consistent with a mechanical musculoskeletal condition?

Which of the following is an example of a geographic barrier that could lead to allopatric speciation?

Describe the difference between allopatric and sympatric speciation.

The principle of parsimony suggests that scientists should choose the phylogenetic tree that: