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 highest monthly average temperature in Littleton for July is 73 degrees. The lowest monthly average temperature in Littleton for December is 29 degrees. The most monthly precipitation in Littleton occurs in August with 2.9 inches. The air quality index in Littleton is 8% worse than the national average. The pollution index in Littleton is 93% better than the national average.