15 Questions
What are the two types of reproduction in animals?
Asexual reproduction and sexual reproduction
What is the function of the testes in the male reproductive system?
Testes produce sperm by meiosis and secrete testosterone.
How does asexual reproduction differ from sexual reproduction?
Asexual reproduction involves one parent and produces genetically identical offspring. Sexual reproduction involves two parents and produces genetically unique offspring.
What is the role of the epididymis in the male reproductive system?
Epididymis is responsible for maturing and storing sperm cells.
How is sperm production regulated in the male reproductive system?
The pituitary gland secretes FSH (follicle stimulating hormone) to stimulate sperm production in the testes.
What are the functions of seminal fluid in the male reproductive system?
Allows sperm to swim, provides nutrients, acts as a lubricant, and protects sperm.
Where does egg fertilization typically occur in the female reproductive system?
Egg fertilization typically occurs in the fallopian tubes (oviduct).
What is the function of FSH in the female reproductive system?
Promotes development of a follicle which produces oestrogen.
Explain the role of oxytocin in the birthing process.
Causes contractions to occur to push the baby out as well as milk letdown after birth.
What are the main functions of progesterone in the female reproductive system?
Allows uterus to grow during gestation, inhibits lactation prior to birth, develops the mammary glands, induces labour, inhibits immune response to embryo.
How does oestrogen impact the female body?
Promotes the secondary sex characteristics in the female, promotes the development and growth of the mammary gland.
What is the significance of the length of day (photoperiod) in determining seasonal breeding in animals?
Sheep are short-day breeders, they breed when daylight hours begin to reduce.
Describe the birthing process in cows and sheep.
A few days before birth, the udder swells. Ligaments around the base of tail relax, pelvic bones widen. Forelegs leave first followed by head tucked in between.
What are the main characteristics of pig gestation?
21 days, 2-3 days farrowing, 115 days total gestation.
How is the umbilical cord handled during the birthing process of cows and sheep?
Umbilical cord is cut in two places and tied, the navel is disinfected with iodine.
Explore the two types of reproduction in animals: asexual and sexual reproduction. Learn about the differences in genetic inheritance between the offspring produced through asexual and sexual reproduction. Discover the functions of the male reproductive system.
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