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DSMS Reproduction
Reproduction
Word | Definition |
---|---|
asexual reproduction | reproduction where a single parent produces offspring that are genetically identical to the parent |
fragmentation | asexual reproduction when the parent breaks into pieces and each piece becomes a separate individual |
budding | asexual reproduction when part of the parent's body develops into an independent organism |
sexual reproduction | reproduction in which two sex cells join to form a zygote |
egg | female sex cell |
sperm | male sex cell |
fertilization | the joining of an egg and sperm |
testes | male reproductive organs that make sperm and testosterone |
abstinence | avoiding sexual contact- the only 100% effective method of preventing pregnancy and the spread of STDs |
semen | mixture of sperm and fluids |
penis | male organ that transfers sperm to the female |
ovary | female organ that makes egg cells and estrogen |
fallopian tube (oviduct) | tube that leads from the ovary to the uterus |
vagina | passageway to the female reproductive system that receives sperm |
uterus (womb) | an organ where a developing baby grows and develops |
zygote | a fertilized egg |
embryo | an organism in the early stages of development |
fetus | an embryo in the later stages of development |
ovulation | the process in which a developed egg is released from the ovary |
implantation | when an embryo embeds itself into the lining of the uterus |
umbilical cord | tube that connects the developing baby to the placenta |
placenta | a special organ that provides the developing baby with oxygen, nutrients, and gets rid of its wastes |
menstruation | monthly discharge of blood and tissue from the uterus |
sexually transmitted infection (STI) | an infection that is passed from person to person through sexual contact |
seminiferous tubules | coiled tubes inside the testes where sperm is produced |