Since in many species, sperm is males' only contribution to reproduction, biologists have long puzzled about why evolutionary selection, known for its ruthless efficiency, allows them to exist.
Subscribe to:
Post Comments (Atom)
I have been in retail business for 14 yrs. selling various merchandise mostly in the plumbing, kitchen and bath depts. For 26 yrs. I have worked for the city of phila. there I worked as an office/stock clerk handling various merchandise to repair or replace in the tenants home or apartment. There I retired from my job and before I retired I was considered the no. 1 stock clerk throughout the city. All total I worked for 41 yrs..
No comments:
Post a Comment