The human body works well when the cells of the body work well. The cells in the body work well when the
conditions are just right." These right" conditions are maintained by the body through
state of maintaining a stable intemal environment despite changing external conditions.
amount of sugar, and amount of water are some conditions that need to be right in the
body for cells to work properly. When all the conditions are just right, the cells function properly

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.

Which rate indicates the number of children that would be born per women if she were to live to the end of her child-bearing years

Which correctly describes crossing over ?