Which dinosaur most closely resembles a rhinoceros?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans