Term
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Definition
| the creation of new individuals from existing ones |
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Definition
| creation of off-spring that are genetically identical to the adult; requires only one parent with no fertilization |
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Definition
| creation of two genetically identical offspring cells |
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Definition
| Example of Binary Fission |
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Term
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Definition
| separation of a parent organism into two or more organisms of approximately equal size |
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Definition
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Definition
| breaking of the parent body into multiple pieces |
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Definition
| regrowth of two or more individuals from fragmented pieces |
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Definition
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Definition
| new individual developing from the outgrowth of an existing individual |
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Definition
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Definition
| situation in which an egg develops without being fertilized |
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Term
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Definition
| Example of Parthenogenesis |
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Term
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Definition
| creation of off-spring from the fusion of two gametes forming a zygote; requires two parents with fertilization |
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Definition
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Definition
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Term
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Definition
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Term
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Definition
| organ that produces gametes |
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Term
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Definition
| female gonad, produces eggs |
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Term
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Definition
| male gonad, produces sperm |
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Term
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Definition
| an organism with both male and female reproductive systems |
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Definition
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Definition
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Definition
| situation in which the female releases eggs into the environment and the male releases sperm to fertilize them – no penetration |
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Term
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Definition
| situation in which sperm are deposited in or near the female reproductive tract where fertilization occurs – penetration is involved |
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Term
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Definition
| receives sperm; birth canal |
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Term
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Definition
| neck of uterus near vagina |
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Term
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Definition
| muscular organ that serves as the site of pregnancy (womb) |
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Term
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Definition
| catches the egg and delivers it to the uterus |
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Term
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Definition
| structure on the ovary that contains the developing egg and cells to support its growth |
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Term
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Definition
| thick muscular wall containing a blood-rich layer of tissue that lines the uterus; site of embryo implantation |
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Term
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Definition
| disorder in which some cells of the uterine lining migrate to an abnormal abdominal location |
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Definition
| present in both sexes, but only females produce milk |
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Term
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Definition
| pouch of skin outside of the abdomen that houses the testes (keeps sperm fertile) |
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Term
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Definition
| copulatory structure in males |
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Term
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Definition
| fluid ejaculated from the male during orgasm |
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Term
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Definition
?% semen = fluid secreted by glands
?% semen = 200 – 500 million sperm |
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Term
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Definition
formation and development of new sperm cells
~Continuous and prolific in adult males
~New sperm are produced daily
~Process takes about seven weeks
~Sperm are active before they leave the testes |
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Term
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Definition
formation and development of mature egg cells
~Occurs from puberty to menopause in adult females
~Females are born with all their eggs
~Maturation process takes 28 days
~Eggs are active only when fertilized by a sperm cell |
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Term
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Definition
| cyclic shedding of the endometrium from the uterus, occurring in a flow through the cervix and vagina |
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Term
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Definition
| timing of the maturation and release of the egg from the ovary |
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Term
| Menstrual (uterine) Cycle |
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Definition
| preparation of the uterus for potential embryo implantation |
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Term
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Definition
cessation (end) of ovarian and uterine cycles
~Ends after approximately 500 cycles
~Occurs between 45 – 55 years of age |
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Term
1. Hot flashes
2. Mood swings
3. Depression
4. Fatigue
5. Weight gain |
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Definition
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Term
1. Tubal ligation
2. Vasectomy
3. Rhythm method (natural family planning)
4. Withdrawal
5. Condoms
6. Diaphragm
7. Birth control pills
8. Morning after pills |
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Definition
| 8 Methods of Contraception |
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Term
| Sexually Transmitted Diseases (STDs) |
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Definition
| contagious diseases spread through sexual contact |
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Term
1. Can be controlled by medication
2. Symptoms/ability to infect others remain throughout one’s life
3. Generally incurable
Examples: HIV & Herpes |
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Definition
| 3 Characteristics of Viral STDs and 2 Examples |
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Term
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Definition
| period in which the developing young are carried in the female re-productive tract |
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Term
Mouse = 1 month
Human = 9 months
Elephant = 22 months |
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Definition
Length of time varies among species:
Mouse = ? month(s)
Human = ? month(s)
Elephant = ? month(s) |
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Term
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Definition
| development stage from first division of zygote until body structures begin to appear (9th week) |
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Term
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Definition
| development stage from the 9th week until birth |
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Term
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Definition
| organ that provides nourishment and oxygen to the baby while removing metabolic waste |
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Term
1. All major organs, body parts, limbs with fingers and toes are developing
2. Fetus is approximately 2.5 inches long
3. Gender can be determined |
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Definition
| 3 Characteristics of First Trimester |
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Term
1. Refinement of human features occurs
2. Fingernails, toenails, and hair are present, eyes are open, teeth are forming
3. Fetus is approximately 7.5 in long and weighs 1 lb |
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Definition
| 3 Characteristics of Second Trimester |
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Term
1. Fetus rotates, pointing downward
2. Circulatory/respiratory systems under-go changes to begin breathing air
3. At birth, babies average 20 in long and weigh 6 – 10 lbs |
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Definition
| 3 Characteristics of Third Trimester |
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Term
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Definition
| series of strong, rhythmic contractions of the uterus that ends in birth |
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Term
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Definition
| hormone that triggers the formation of oxytocin receptors |
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Term
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Definition
| hormone that stimulates contractions in the uterine wall |
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Term
1. Low sperm count
2. Defective sperm
3. Erectile dysfunction (ED) |
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Definition
| 3 Causes of Male Infertility |
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Term
1. No eggs or failure to ovulate
2. Blocked oviducts
3. Hormonal imbalances |
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Definition
| 3 Causes of Female Infertility |
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