Nova origins-Life begins:What happened when they conducted the experiment to find out if amino acids could survive the impact on Earth?

Which would be the most useful source of evidence to support mcneill's contention?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods