B. Now balance the input/output formula by adding coefficients to each molecule. Write the balanced formula below, and then check your work by clicking Balance. ___ + ___  ___ + ___

In this assignment, you will analyze an example of speciation by researching the finches of the galapagos islands. then you will answer questions to construct explanations and draw conclusions based on the information you gather. someone plz !

Construct at least two possible hypotheses for the student’s experiment.

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.