reproduction Flashcards
The process of making more individuals of a species.
Reproduction
Asexual reproduction
The process of making more individuals by one parent. New individuals are genetically identical to that parent
The process of making more individuals by two parents (male and female). New individuals are genetically non-identical to either parent.
Sexual reproduction
Gamete
This refers to sex cells that are specialized for sexual reproduction. In males these are sperm, in females, these are eggs (or ova (singular - ovum)).
Relating to the DNA in the nucleus of the cells in an organism makes it what it is. Human DNA makes us human, worm DNA makes it a worm.
Genetic
Clone
An individual which is genetically identical to another (parent or sibling).
The period between childhood and adulthood, during which secondary sexual characteristics appear. Brought about by hormones.
Puberty
Hormone
A chemical secreted into the bloodstream from a gland has an effect on another part of the body.
Physical changes occur to the bodies of males and females in preparation for enabling reproduction.
Secondary sexual characteristics
Adolescence
The period following the onset of puberty during which a young person develops from a child into an adult.
The regular monthly changes that occur in the female reproductive system that makes pregnancy possible.
Menstrual cycle
Ovary
The female reproductive organ produces eggs. There are two of these.
The correct scientific word for an egg. The female gamete.
Ovum
Oviduct
The tube which the egg travels along, once released, to reach the uterus.
The muscular organ of the female reproductive system in which a child is
conceived and in which it develops during pregnancy. Also known as the womb.
Uterus
Vagina
The passage connects the uterus to the external genitalia in females
The male reproductive organ used to introduce sperm into the vagina.
Penis
Testis
The male reproductive organ produces sperm. There are two of these.
Sperm
the male gamete. (short for spermatozoan).
The tube through which sperm travel to reach the outside.
Sperm duct
Part of the male reproductive system produces semen.
Prostate gland
Sexual intercourse.
The act of introducing sperm into the vagina
The moment when a sperm enters the egg cell and their nuclei fuse
Fertilisation
the name was given to the egg cell immediately after fertilization.
Zygote
A process designed to prevent an egg from being fertilized or to prevent a fertilized egg from developing into a fetus and so prevent pregnancy
Contraception
The organ which develops in the uterus of a pregnant woman which
nourishes and maintains the fetus through the umbilical cord.
Placenta
Umbilical cord
The flexible tubular structure containing blood vessels that attach the fetus to the placenta during pregnancy.
The fluid-filled sac contains and protects the fetus in the uterus.
Amniotic sac
the tube that leads from the kidney to the bladder
ureter
stores urine
bladder
present in the female urogenital system - above the vagina
the tube that runs through the penis
urethra
