Darwin used a tree of life metaphor to:
a. link species in varying degrees of similarity according to their historical pattern of descent.
b. describe the branching historical relationships among all living things.
c. apply to both the history and pattern of life's diversity.
d. All of the above.
D
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A method used to link genetic markers with specific genes on chromosomes is called ____________________
Fill in the blank(s) with correct word
Which of the following was NOT a common curriculum tool in colonial New England?
A. Bible B. McGuffey Readers C. New England Primer D. Horn Book
Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?
A. Some of the organisms depicted by the tree had lived in different habitats. B. None of the organisms depicted by the tree ate the same foods. C. Relationships between DNA sequences among the species did not match relationships between skeletal patterns. D. The skeletal remains of the organisms depicted by the tree were incomplete (in other words, some bones were missing). E. Transitional fossils had not been found.
Stanley Miller's experiment that applied electric sparks to a reducing atmosphere of methane, ammonia, water, and hydrogen showed that under these conditions,
a. nucleotides can form. b. amino acids can form. c. amino acids can polymerize into polypeptides. d. nucleotides can polymerize into nucleic acids.