Would someone be willing to make a one pager on biology for me? I can post the information for it.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Which is abiotic? a. tree sap b. insect c. sunlight d. wood table

The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.