Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 50, Problem 3TYU
Summary Introduction
Introduction: Reproductive system (or genital system) is involved in sexual reproduction. The male and female reproductive systems’ function is to propagate the species. Gametogenesis is a process by which male and female gametes are produced. Spermatogenesis and oogenesis are the two types of gametogenesis processes present in the sexual reproduction of animals.
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1. How is the reproductive system designed to perform its functions?
2. How do the parts (each part) of the reproductive system work together?
3. Why is it advantageous that the testes are located outside the abdominal cavity?
4. Trace the pathway of sperm from the testis to outside the body
5. Explain the presence of numerous mitochondria in the sperm
6. What adaptations do sperm posess for fertilozation?
7. How is the uterus structurally adapted for holding a developing baby?
8. What happens when the egg is not fertilized?
Science: Repro system-female
Based on the given graph:
Topic: Menstruation Cycle
1. What is the body temperature difference of the follicular phase compared to the luteal phase?
2. Which hormone is at its peak during ovulation?
1. Briefly describe follicular development during the human ovarian cycle and how this is coordinated with the uterine cycle.
2. What assumptions are made if the number of CL is used as an indicator of reproductive rate?
3. What do you think would happen to a CL in a species that exhibits diapause (consult your textbook on this)?
4. Where are sperm made (be specific here) and what glands are important for making seminal fluid?
5. Why do the sperm “cork-screw” while swimming?
6. The menstrual cycle provides an example of how endocrine biological clocks regulate reproduction. Can you give TWO other examples?
Chapter 50 Solutions
Biology (MindTap Course List)
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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- Test Your Understanding 6 After ovulation, the secondary oocyte enters the (a) oviduct (b) corpus luteum (c) cervix (d) ovary (e) vaginaarrow_forwardTest Your Understanding 10 Which sequence best describes the passage of sperm? 1. urethra 2. vas deferens 3. epididymis 4. ejaculatory duct 5. seminiferous tubules (a) 3, 1, 2, 4, 5 (b) 1, 3, 2, 4, 5 (c) 5, 3, 2, 4, 1 (d) 1, 3, 4, 2, 5 (e) 3, 1, 4, 2, 5arrow_forwardTest Your Understanding 15 SCIENCE, TECHNOLOGY, AND SOCIETY Why do you think that a variety of effective methods of male contraception have not yet been developed? If you were a researcher, what are some approaches you might take to develop a method of male contraception?arrow_forward
- Test 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_forwardA babys gender is determined at conception, and the different genitalia of male and female fetuses develop from the same tissues in the embryo. View this animation (http://openstaxcollege.org/l/fetus) that compares the development of structures of the female and male reproductive systems in a growing fetus. Where are the testes located for most of gestational time?arrow_forwardWatch this series of videos (http://openstaxcollege.org/l/oocyte) to look at the movement of the oocyte through the ovary. The cilia in the uterine tube promote movement of the oocyte. What would likely occur if the cilia were paralyzed at the time of ovulation?arrow_forward
- Watch this video (http://openstaxcollege.org/l/ovulation) to observe ovulation and its initiation in response to the release of FSH and LH from the pituitary gland. What specialized structures help guide the oocyte from the ovary into the uterine tube?arrow_forwardmake a concept map out from the essay below. The epic story of a single sperm facing incredible odds to unite with an egg and form a new human life it is the story of all of us. During sexual intercourse about 300 million sperm enter the vagina. Soon afterward millions of them will either flow out of the vagina or die in its acidic environment. However, many survive because of the protective elements provided in the fluid surrounding them. Next the sperm must pass through the cervix and opening into the uterus. Usually, it remains tightly closed but here the cervix is open for a few days while the woman ovulates. The sperm swim through the cervical mucus which is thinned to a more watery consistency for easier passage. Once inside the cervix the sperm continues swimming toward the uterus though millions will die trying to make it through the mucus. Some sperm remained behind caught in the folds of the cervix, but they may later continue the journey as a backup to the first group.…arrow_forwardWatch this video (http://openstaxcollege.org/l/ovulation) to observe ovulation and its initiation in response to the release of FSH and LH from the pituitarygland. What specialized structures help guide the oocytefrom the ovary into the uterine tube?arrow_forward
- Describe the three manners in which fertilization of human ovum by sperm can be prevented?arrow_forwardOnly one spermatozoa is required to fertilize an ovum yet millions to billions of sperm are ejaculated each time. Why?arrow_forward2. Consider the male and female reproductive systems.(a) Where does spermatogenesis occur in male? Briefly describe the process.arrow_forward
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Reproduction: Crash Course Zoology #9; Author: CrashCourse;https://www.youtube.com/watch?v=poLyJDVjKlM;License: Standard youtube license