What is the name of the brown-colored substance that appears on the apple?

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.

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.

In general, are there any major differences that you can see? explain