After my research the answer is that they are forms of electromagnetic radiation as far as I know.
Umm...
biology is the study of life
is this the answer you're looking for?
<span>To provide a great deal of information at a glance</span>
Allele frequency:
Number of times an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene
Sperm need temperatures between 2 to 10 degrees Centigrade lower and then the body temperature to develop. This is the reason why the testes are located in a bag of skin called the scrotal sacs<span> (or </span>scrotum<span>) that hangs below the body and where the evaporation of secretions from special glands can further reduce the temperature and adjust to the temperature it needs.
I found this and i hope it helps you.</span>