The sperm is the main reproductive cell in males. The sperms differ in that each carry a set of chromosomes dividing each into either a male, or female sperm. The females differ in that they carry a X gene, while the male sperm carry a Y gene.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit. The annual average precipitation at Little Rock is 50.93 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is November with an average rainfall of 5.73 Inches. (LITTLE ROCK ADAMS AP Weather station, 3.38 miles from Little Rock)
The interior desert sees its greatest rainfall during spring and summer. The wettest spot is Mount Bellenden Ker in the north-east of the country records an average of 8,000 millimetres (310 in) per year, with over 12,000 millimetres (470 in) of rain recorded in the year 2000.