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The development of female gametes, known as oocytes, begins during fetal development. The process starts before a female is born, and reaches a peak number of oocytes around the fifth month of prenatal development. However, oocytes remain in an arrested state of development until a woman reaches puberty.
All evolution begins with reproductive variation - the fact that all offspring are born nonidentical to both their parents and their siblings.
because they were born like that
Teeth grow through a complex process, born from the embryonic cells. The teeth initially grow in stages: initiation, bud, cap, bell, and advanced bell, until the tooth is fully formed.
inherited
A star becomes a star - "is born" - when the process of nuclear fusion begins in the core of the star.
The development of female gametes, known as oocytes, begins during fetal development. The process starts before a female is born, and reaches a peak number of oocytes around the fifth month of prenatal development. However, oocytes remain in an arrested state of development until a woman reaches puberty.
A boy horse is considered a male colt when born. the are considered a colt until 1 and a 1/2 years old and/or until fully trained. Afterwards, the are considered a male. A girl horse is considered a colt at birth, but before the male, it is considered a filly until the age of 3. Afterwards, she is consideres a mare. Answered on: August 31, 2010
The life cycle of a mosquito begins with an egg. The larvae are born from this and as they grow they develop wings until they become an adult.
The life process of a polar bear is pretty simple. It is born, it grows, eventually mates, and grows old until it dies.
A person born or naturalized in the United States is considered a citizen. The process for becoming a citizen can take years.
Effacement refers to a stage in labor during which the cervix becomes thin and begins the process of dilation which moves the cervix out of the way so the baby can be born. When the cervix is fully effaced and dilated to 10 centimeters, the baby begins to move down the birth canal. Effacement refers to a stage in labor during which the cervix becomes thin and begins the process of dilation which moves the cervix out of the way so the baby can be born. When the cervix is fully effaced and dilated to 10 centimeters, the baby begins to move down the birth canal.
it meens that a child born on Wednesday is considered a living god in china up until the baby is one year's old
it meens that a child born on Wednesday is considered a living god in china up until the baby is one year's old
Aging begins at the moment of conception, as our cells start to divide and continue to age throughout our lifespan. However, visible signs of aging, such as wrinkles and gray hair, typically start to become noticeable in our late 20s to early 30s.
The term newborn girl refers to a baby that was just recently born. She will be considered a newborn until she is 28 days old. After that she will be considered an infant.
Prenatal development actually begins when the first initial cells divide. Development continues daily until the baby is born. There are differing opinions about this and it is somewhat subject to debate.