Bio Final
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| show | fragmentation
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| One of the evolutionary "enigmas," or unsolved puzzles, of sexual reproduction is that | show 🗑
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| An advantage of asexual reproduction is that | show 🗑
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| show | asexually reproducing organisms, but not sexually reproducing organisms, pass all mutations on to their offspring.
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| Asexual reproduction results in greater reproductive success than does sexual reproduction when | show 🗑
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| show | hermaphroditism
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| show | can produce diverse phenotypes that may enhance survival of a population in a changing environment.
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| show | direct effects on hormonal control mechanisms.
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| For water fleas of the genus Daphnia, switching from a pattern of asexual reproduction to sexual reproduction coincides with | show 🗑
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| All individuals of a particular species of whiptail lizards are females. Their reproductive efforts depend on | show 🗑
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| show | the requirement for male-like behaviors in some females before their partners will ovulate.
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| Like many other fishes, bluehead wrasses utilize harem mating as they reproduce sexually. However, unlike most fishes, | show 🗑
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| Which of the following patterns of reproduction are found only among invertebrate animals? | show 🗑
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| show | internal development of embryos.
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| show | the smaller number of offspring produced often receive a greater amount of parental investment.
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| show | produce single-celled zygotes.
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| Organisms with a reproductive pattern that produces shelled amniotic eggs generally | show 🗑
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| Among nonmammalian vertebrates, the cloaca is an anatomical structure that functions as | show 🗑
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| External chemical signals that coordinate potential reproductive partners are called | show 🗑
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| show | the spermatheca.
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| show | internal fertilization.
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| When female fruit flies mate with two different males on the same day, | show 🗑
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| show | the wavelike beating of cilia lining the oviduct.
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| The junction of the upper vagina and the uterus is called the | show 🗑
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| In humans, the follicular cells that remain behind in the ovary following ovulation become | show 🗑
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| Among mammals, the male and female genital structures that consist mostly of erectile tissue include the | show 🗑
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| show | Leydig cells.
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| show | epididymis.
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| Among human males, both semen and urine normally travel along the | show 🗑
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| show | seminiferous tubules.
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| The surgical removal of the seminal vesicles would likely | show 🗑
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| Most of the noncellular fluid in ejaculated human semen is composed of | show 🗑
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| show | reduce the fertility of the man by impairing spermatogenesis.
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| During human heterosexual (mutual) excitement, vasocongestion | show 🗑
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| The moment of orgasm is characterized by | show 🗑
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| At the time of fertilization, the complete maturation of each oogonium has resulted in | show 🗑
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| show | cytokinesis is unequal in oogenesis, whereas it is equal in spermatogenesis.
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| show | they both have the same number of chromosomes.
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| A male's "primary" sex characteristics include | show 🗑
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| The primary difference between estrous and menstrual cycles is that | show 🗑
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| At the end of a nonpregnant ovarian cycle, the breakdown and discharge of the soft uterine tissues is called | show 🗑
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| show | follicular → ovulation → luteal.
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| show | menstrual → proliferative → secretory.
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| A contraceptive pill that continuously inhibits the release of GnRH from the hypothalamus will | show 🗑
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| show | the inability of the uterus to support pregnancy.
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| show | testosterone.
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| A reproductive hormone that is secreted directly from a structure in the brain is | show 🗑
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| show | maintain progesterone and estrogen synthesis after ovulation has occurred.
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| show | corpus luteum.
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| Ovulation is the follicular response to a burst of secretion of | show 🗑
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| show | estradiol.
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| The hypothalamic hormone that stimulates hormone secretion by the anterior pituitary gland is | show 🗑
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| The hormone progesterone is produced | show 🗑
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| Menopause is characterized by | show 🗑
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| For normal human fertilization to occur, | show 🗑
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| show | oviduct.
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| show | human chorionic gonadotropin (HCG)
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| The hypothalamic hormone that triggers the secretion of FSH is | show 🗑
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| show | oxytocin.
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| A high rate of metabolic activity is maintained in the pregnant uterus by | show 🗑
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| show | inhibin.
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| show | blocking progesterone receptors in the uterus.
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| Human fertility drugs taken by women increase the chance of multiple births, probably because they | show 🗑
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| show | chorion.
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| In excreted urine, a reliable "marker" that a pregnancy has initiated is | show 🗑
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| show | the relative quiescence of a pregnant woman's immune system compared to when she was not pregnant.
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| show | the practice of coitus interruptus.
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| show | reduces the incidence of ovulation.
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| show | vasectomy and tubal ligation.
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| show | prevents oocytes from entering the uterus.
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| A vasectomy | show 🗑
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| Time-release progesterone implants function in contraception by | show 🗑
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| For lactation to take place, the synthesis of breast milk and its release from the mammary gland, respectively, are caused by | show 🗑
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| So-called "combination" birth control pills function in contraception by | show 🗑
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| You observe vertebrate organisms with parthenogenetic reproduction, internal development of embryos, and the lack of parental care for its young. Based on this information, you should categorize these organisms as | show 🗑
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| Imagine that a woman is in the final week of her pregnancy. Her doctor gives her an injection of oxytocin. The likely result of this is that the pregnant woman would | show 🗑
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| Which of the following characterizes parthenogenesis? | show 🗑
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| show | the urethra.
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| show | seminiferous tubulecervix
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| show | the period just before ovulation.
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| During human gestation, rudiments of all organs develop | show 🗑
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| Which of the following is a true statement? | show 🗑
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| For which of the following is the number the same in spermatogenesis and oogenesis? | show 🗑
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| show | The earliest stages of spermatogenesis occur closest to the lumen of the seminiferous tubules.
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