Which is a product in the following chemical reaction? ch 4 + 2o 2 → co 2 + 2h 2 o a) o 2 b) h 4 c) h 2 o d) ch 4

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

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

What is the difference between a scientific hypotheses and a scientific theory?