Rosa fills a graduated cylinder with 100 milliliters of Liquid X. She fills another graduated cylinder with 100 milliliters of Liquid Y. Then, at the same time and from the same height, she drops a marble into each liquid. The marble hits the bottom of the cylinder containing Liquid Y first.

What does all of the organ system in a human form

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.

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming