The process by which living things make new individuals, ensuring the survival of their species.

Parts of an organism, like organs or tissues, that have specific shapes and functions.

The job or role that a structure or part of an organism performs.

embryonic development

The process where a fertilized egg grows and changes into an embryo, forming the early stages of a new organism.

environmental factors

Elements in the surroundings that can affect living things, like temperature, light, and nutrients.

The sex of an organism that typically produces eggs and can give birth to offspring.

Reproductive cells (sperm and eggs) that combine during fertilization to form a new organism.

Female reproductive organs that produce eggs and hormones like estrogen.

internal fertilization

The process where sperm fertilizes an egg inside the female's body.

The early stage of development for a new organism, starting from a fertilized egg.

The stage of development after the embryo, where the organism grows and develops inside the mother's womb.

The organ in female mammals where the fetus develops during pregnancy.

The organ that connects the developing fetus to the mother, providing nutrients and oxygen while removing waste.

The process of taking in and using food and nutrients to support growth and health.

The nutrient-rich liquid produced by female mammals to feed their newborns.

A baby that has just been born and is in the early stages of life.

The sex of an organism that typically produces sperm.

Male reproductive organs that produce sperm and hormones like testosterone.

The process of a baby being delivered from the mother's body.

The natural process of growing older and experiencing changes in the body over time.

chromosomes fail to split equally during meiosis

diagram that shows the chromosome pairs of an organism

a hormone that helps control the development of male characteristics, such as a deeper voice, facial hair, and muscle growth

a hormone that helps control the development of female characteristics and regulates the menstrual cycle

a hormone that helps prepare and maintain the uterus for pregnancy and supports the menstrual cycle

menstruation (period)

shedding of an unfertilized egg and uterine lining at the end of the menstrual cycle

one of two twins that develop from two different eggs fertilized by two different sperm cells; they can be the same or different sexes and are genetically similar like regular siblings

one of two twins that develop from a single fertilized egg that splits into two embryos; they have the same genetic information and are always the same sex

Release of a developed egg from an ovary

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1-8: Reproduction

Human reproduction and development maintains continuity of life.

Term	Definition
reproduction	The process by which living things make new individuals, ensuring the survival of their species.
structures	Parts of an organism, like organs or tissues, that have specific shapes and functions.
function	The job or role that a structure or part of an organism performs.
embryonic development	The process where a fertilized egg grows and changes into an embryo, forming the early stages of a new organism.
environmental factors	Elements in the surroundings that can affect living things, like temperature, light, and nutrients.
female	The sex of an organism that typically produces eggs and can give birth to offspring.
gametes	Reproductive cells (sperm and eggs) that combine during fertilization to form a new organism.
ovaries	Female reproductive organs that produce eggs and hormones like estrogen.
internal fertilization	The process where sperm fertilizes an egg inside the female's body.
embryo	The early stage of development for a new organism, starting from a fertilized egg.
fetus	The stage of development after the embryo, where the organism grows and develops inside the mother's womb.
uterus	The organ in female mammals where the fetus develops during pregnancy.
placenta	The organ that connects the developing fetus to the mother, providing nutrients and oxygen while removing waste.
nutrition	The process of taking in and using food and nutrients to support growth and health.
milk	The nutrient-rich liquid produced by female mammals to feed their newborns.
newborn	A baby that has just been born and is in the early stages of life.
male	The sex of an organism that typically produces sperm.
testes	Male reproductive organs that produce sperm and hormones like testosterone.
birth	The process of a baby being delivered from the mother's body.
aging	The natural process of growing older and experiencing changes in the body over time.
nondisjunction	chromosomes fail to split equally during meiosis
karyotype	diagram that shows the chromosome pairs of an organism
testosterone	a hormone that helps control the development of male characteristics, such as a deeper voice, facial hair, and muscle growth
estrogen	a hormone that helps control the development of female characteristics and regulates the menstrual cycle
progesterone	a hormone that helps prepare and maintain the uterus for pregnancy and supports the menstrual cycle
menstruation (period)	shedding of an unfertilized egg and uterine lining at the end of the menstrual cycle
fraternal twin	one of two twins that develop from two different eggs fertilized by two different sperm cells; they can be the same or different sexes and are genetically similar like regular siblings
identical twin	one of two twins that develop from a single fertilized egg that splits into two embryos; they have the same genetic information and are always the same sex
ovulation	Release of a developed egg from an ovary

Created by: user-1948443

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