How would you explain why bicarbonate and digestive enzymes respond differently in two of the variables in Figure 30–8?

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

voluntary muscles are controlled by the cerebellum.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.