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According to Chapter 4; page 120 of this weeks reading, "Men have nocturnal erections every 90 minutes or so as they sleep. They generally occur during REM (rapid eye movement) sleep, which is associated with dreaming."

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Process of uniting an egg with a sperm?

The process of uniting an egg with a sperm is called fertilization. It occurs when a sperm cell penetrates the outer layer of an egg cell and fuses with the egg's nucleus, forming a zygote. This marks the beginning of a new organism's development.


What is the initial event in development?

The initial event in development is fertilization, where a sperm cell fertilizes an egg cell to form a zygote. This marks the beginning of the development of a new organism.


Why do boys have testes?

Men have testes because they produce sperm, which is necessary for the fertilization of ova. This fertilization results in the development of a fetus.


What takes place when sperm fuses with the egg inside an ovule?

fertilization


How is fertilization different then development of the embryo?

Fertilization is the fusion of a sperm and egg to form a zygote, while embryo development involves the growth and differentiation of cells in the zygote to form an embryo. Fertilization marks the beginning of development, while embryo development encompasses the processes that lead to the formation of a multicellular organism.


What is it when eggs and sperm join?

It's called, fertilization... I'm pretty sure its spelled correctly.


Fertilization and development normally occur in?

Fertilization occurs in the fallopian tube when a sperm cell fertilizes an egg cell. After fertilization, the zygote travels to the uterus where it implants into the uterine lining for further development. Embryonic development continues in the uterus until birth.


What is the elephants method of fertilization?

Elephants have internal fertilization, where the male transfers sperm into the female's reproductive tract. The sperm fertilizes the egg inside the female's body, leading to the development of the embryo. Elephants have a long gestation period of around 22 months.


What is the fertilization of rabbit?

Rabbits reproduce through internal fertilization. During mating, the male rabbit (buck) deposits sperm into the female rabbit's (doe) reproductive tract. Fertilization occurs when the sperm fertilizes the doe's eggs, leading to embryo development.


The joining of an egg and a sperm is called?

Fertilization


When sperm joins with an egg the process is called?

Fertilisation is when the sperm cell and the ova fuse together to form a zygote.


Which process requires the sperm and egg cells?

That process is the fertilization. It is the joining of sperm and ovum.