Based on the Figure Above,the Two Roots (Labeled)represent Which of the Following

question 8

Multiple Choice

Based on the figure above,the two roots (labeled) represent which of the following?
1) Ancestral populations
2) A common ancestor of birds and crocodilians
3) A common ancestor to all tetrapods
4) The ancestral lineage from which all other lineages on the tree are derived

• A)1 and 2
• B)1 and 3
• C)3 and 4
• D)1,2,3,and 4

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Definitions:

Researcher Objectivity

The principle of conducting study and analysis without letting personal biases or preconceptions affect the outcomes.

National Research Act

U.S. legislation passed in 1974 that established the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research.

Institutional Committee

A group of individuals within an organization appointed to oversee and manage specific tasks, such as ethical review processes for research.

Ethical Relativist

A person who believes that moral standards and ethics vary depending on cultural or individual perspectives.