Biological processes occurring on a cycle of approximately 24 hours are termed: (points : 4)
biorhythms
diurnal rhythms
circadian rhythms
samba rhythms

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.

What is the correct order of cell division? include what happens in each phase

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false