An insect trapped in amber is which type of fossil?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

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

Which of the following terms would bb represent in an organism? a. phenotype b. genotype c. genetics