January 20, 2009 is the 20 day of the year 2009 in the Gregorian calendar. There are 345 days remaining until the end of this year. The day of the week is Tuesday. If you are trying to learn Spanish then this day of the week in Spanish is martes. A person born on this day will be 6 years old today.
In the Rhizopus life cycle, the structures that are involved in sexual reproduction are zygote, zygospore, sporangium, spores and gametes. The structures that are involved in asexual reproduction are mycelium, hyphae, strains, and sporangiophore. 4 people found this useful.
The external structures of the male reproductive system are the penis, the scrotum and the testicles. Penis â The penis is the male organ for sexual intercourse. It has three parts: the root, which attaches to the wall of the abdomen; the body, or shaft; and the glans, which is the cone-shaped end of the penis.he Male Reproductive System. The organs of the male reproductive system are specialized for the following functions: 1  To produce, maintain and transport sperm (the male reproductive cells) and protective fluid (semen). 2  To discharge sperm within the female reproductive tract. 3  To produce and secrete male sex hormones.