Answer:
Water cycling is extremely important to ecosystem dynamics.
Each human cell usually contains 23 pairs of chromosomes, 46 in total. The first 22 are the same in males and females and the 23rd set differ between males and females
DNA fingerprinting is where DNA is used to create a profile for someone often in crimes. The STR or Short Tandem Repeats are used for this. STRs are non-coding sections of DNA which repeat themselves for example CACACACACACACACACACA the location of this STR and the length of the STR (how many times it repeats) are used to identify a specific person