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A star is considered born when nuclear fusion begins in its core, creating energy and light. This process marks the transition from a protostar to a true star.

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When does the development of female gametes begin?

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.


By the time the child is born all viable oogonia have been converted to?

primary oocytes, which are arrested in prophase I of meiosis. These primary oocytes remain dormant in the ovaries until puberty, when they are activated and begin to mature through the process of oogenesis.


What is the process of rebirth called?

The process of rebirth is called reincarnation. It is the belief that a person's soul or spirit is born into a new body after death.


What is a star is born whenever a nebula expands?

A star is born when a nebula, a vast cloud of gas and dust in space, undergoes gravitational collapse. As the nebula contracts, the material within it becomes denser, leading to increased temperatures and pressure at its core. Once the conditions are right, nuclear fusion ignites, marking the birth of a new star. This process illustrates the life cycle of stars, where stellar formation begins from the remnants of previous stars.


What is the main cause of evolution?

The main cause of evolution is natural selection, which is the process where organisms that are better adapted to their environment survive and reproduce more successfully than those that are not as well adapted. This leads to the passing on of beneficial traits to future generations, causing populations to change over time.

Related Questions

What determines when a star is born?

A star becomes a star - "is born" - when the process of nuclear fusion begins in the core of the star.


When does the development of female gametes begin?

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.


How do you draw the life cycle of mosquito?

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.


What month does Taurus begin?

Taurus begins in April and lasts until May. It is the astrological sign for individuals born between April 20th and May 20th.


What is the life process of a polar bear?

The life process of a polar bear is pretty simple. It is born, it grows, eventually mates, and grows old until it dies.


What is the name for a boy horse?

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


What is a person born or naturalized in the US called?

A person born or naturalized in the United States is considered a citizen. The process for becoming a citizen can take years.


Babies are born without these until the age of 6 months?

Babies are born without fully developed immune systems, which means they rely heavily on maternal antibodies received through the placenta and breast milk. This dependence continues until around six months of age when their own immune system begins to mature and produce antibodies more effectively. Additionally, their digestive system is also immature, making it challenging for them to process certain foods until they start solid foods around six months.


How would you use effacement in a sentence What is the complete definition of effacement?

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.


When does aging begin?

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.


What does it mean if a child born on Wednesday?

it meens that a child born on Wednesday is considered a living god in china up until the baby is one year's old


What does it mean if a child is born on a Wednesday?

it meens that a child born on Wednesday is considered a living god in china up until the baby is one year's old