Name the three parts of the eye that light passes through in the order it travels from outside the eye to the retina.

Witch type of microscope is used to view very small cell components like proteins and dna?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.