What is an example of why the process of photosynthesis is important to life on earth

The model illustrates a process by which a substance is taken up by a cell

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.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.