BIOLOGY >PRINT UPGRADE<
11th Edition
ISBN: 9780357091586
Author: Solomon
Publisher: CENGAGE L
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Chapter 50, Problem 13TYU
Test Your Understanding
13 EVOLUTION LINK Contrast the biological advantages of hermaphroditism that involves cross-fertilization with hermaphroditism that involves self-fertilization.
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Chapter 50 Solutions
BIOLOGY >PRINT UPGRADE<
Ch. 50.1 - Prob. 1LOCh. 50.1 - Distinguish among budding, fragmentation, and...Ch. 50.1 - Prob. 2CCh. 50.2 - Relate the structure of each organ of the human...Ch. 50.2 - Trace the passage of sperm cells through the human...Ch. 50.2 - Prob. 4LOCh. 50.2 - Prob. 1CCh. 50.2 - Prob. 2CCh. 50.2 - Prob. 3CCh. 50.2 - Prob. 4C
Ch. 50.3 - Prob. 5LOCh. 50.3 - Trace the development of a human egg and trace its...Ch. 50.3 - Describe the endocrine regulation of reproduction...Ch. 50.3 - Prob. 1CCh. 50.3 - Prob. 2CCh. 50.3 - Prob. 3CCh. 50.4 - Prob. 8LOCh. 50.4 - Prob. 1CCh. 50.4 - Prob. 2CCh. 50.4 - Which hormones most affect the birth process? What...Ch. 50.5 - Prob. 9LOCh. 50.5 - Prob. 1CCh. 50.6 - Prob. 10LOCh. 50.6 - Prob. 1CCh. 50.6 - Prob. 2CCh. 50.6 - Prob. 3CCh. 50.7 - Prob. 11LOCh. 50.7 - Prob. 1CCh. 50.7 - Prob. 2CCh. 50 - Hermaphroditism (a) is a form of asexual...Ch. 50 - Prob. 2TYUCh. 50 - Prob. 3TYUCh. 50 - Prob. 4TYUCh. 50 - Prob. 5TYUCh. 50 - Test Your Understanding 6 After ovulation, the...Ch. 50 - Prob. 7TYUCh. 50 - Prob. 8TYUCh. 50 - Prob. 9TYUCh. 50 - Test Your Understanding 10 Which sequence best...Ch. 50 - Prob. 11TYUCh. 50 - Test Your Understanding 12 INTERPRET DATA Examine...Ch. 50 - Test Your Understanding 13 EVOLUTION LINK Contrast...Ch. 50 - Prob. 14TYUCh. 50 - Test Your Understanding 15 SCIENCE, TECHNOLOGY,...Ch. 50 - Test Your Understanding 16 SCIENCE, TECHNOLOGY,...
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- What is NOT true about these statements on sexual reproduction? * 1 point Sexual reproduction is uniparental. Key processes in sexual reproduction are meiosis and fertilization. This process involves the production of sex cells or gametes. The union of two gametes resulting into a zygote is called fertilization.arrow_forwardIllustrate a model of female reproductive system of turtle showing structures and pathways during ovipositionarrow_forwardThe change of successful fertilization is approximately 18% in every cycle. Why does this statistic seem so low? All of the following statements provide a reason as to why the chance of fertilization is 18% every ovarian cycle EXEPT Select one: A. Some Sperm cells are not very motile, while others are formed without a tail. B. If more than one sperm fertilizes an egg, multiple embryos can result. C. Vagina is very acidic, killing many sperm. D. There two fallopian tubes and two ovaries, but only one of them releases an ovum every cycle.arrow_forward
- Illustrate a model of female reproductive system of frog showing structures and pathways during ovipositionarrow_forwardTest Your Understanding 12 INTERPRET DATA Examine Figure 50-14. Which hormones are present in largest concentration just before ovulation? During which part of the menstrual cycle is the endometrium most prepared to receive an embryo? Which hormones stimulate thickening of the endometrium? Gonadotropic hormones and ovarian hormones regulate the monthly sequence of events that take place within the ovary and uterus. The preovulatory phase begins with menstruation; the postovulatory phase begins after ovulation. Figure 50-14 Endocrine regulation of the menstrual cycle When fertilization does not occur, the menstrual cycle repeats about every 28 days. Note the changes in hormone concentrations that regulate the menstrual cycle. (FSH, follicle-stimulating hormone; LH, luteinizing hormone) PREDICT What happens when a. womans ovaries produce a very low amount of estrogen?arrow_forwardFigure 43.15 Which of the following statements about hormone regulation of the female reproductive cycle is false? LH and FSH are produced in the pituitary, and estradiol and progesterone are produced in the ovaries. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. Both progesterone and estradiol are produced by the follicles. Secretion of GnRH by the hypothalamus is inhibited by low levels of estradiol but stimulated by high levels of estradiol.arrow_forward
- define asexual reproduction and describe two methods of asexual reproduction in animalsarrow_forwardWhich of the following does NOT aid the sperm in fertilization? * Increased mitochondria Cytoplasmic bridge Acrosomes Flagellum development Hyaluronidase & proteasearrow_forwardAll sexually-reproducing animals must have certain basic anatomical structures in order to reproduce sexually. Choose an animal, identify its sex (e.g. "female nematode") and answer the questions below: Briefly describe the organs your chosen animal has that fit the relevant categories • Give a brief description (three to four words) of the function of each listed organ.arrow_forward
- Which of the following scenarios is an example of sequential hermaphroditism? Hamlet fish typically contain both male and female sexual organs and can mate as both male or female on the same day When male striped maple trees are sick or damaged, their sex will change to female When turtle eggs incubate at high temperature, the hatchlings will be female. When they incubate at low temperatures, the hatchlings will be male Vipers typically sexually reproduce, but can asexually reproduce when kept in captivityarrow_forwardFishes and some species of amphibians like frogs fertilize their eggs outside of their body. Which of the following statements is TRUE about external fertilization? * A small number of gametes need to be produced by the male and female to ensure reproductive success It produces a small number of offspring compared to internal fertilization A body of water is not required no answer Chances of fertilization are diminished by environmental hazards and Predatorsarrow_forwardelect one: A. Process 1 Which of the processes illustrated above represents fertilization? B. Process 2 Process 3 Process 4 Process 2 Zygote The Life Cycle of the Horse Embryo Process 1 Gametes Process 3 Reproductive organs Process 4arrow_forward
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