How is a cell a system , ANWSER IN YOUR OWN WORDS ?

What would be an example of hypothesis for goldfish respiration lab

Which process is involved in growing crops? irrigation transportation recreation condensation

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.