Name ______________________________ Class ___________________ Date __________________ SECTION 51-1 REVIEW MALE REPRODUCTIVE SYSTEM VOCABULARY REVIEW Define the following terms. 1. semen _________________________________________________________ _______________________________________________________________ 2. testes __________________________________________________________ _______________________________________________________________ 3. ejaculation _____________________________________________________ _______________________________________________________________ 4. seminiferous tubules ______________________________________________ _______________________________________________________________ 5. epididymis _____________________________________________________ _______________________________________________________________ MULTIPLE CHOICE Write the correct letter in the blank. _____ 1. A human sperm a. does not have a nucleus. b. has the haploid number of chromosomes located in the midpiece. c. has a small amount of cytoplasm. d. All of the above _____ 2. The vas deferens connects the epididymis to the a. seminal vesicles. c. urethra. b. bulbourethral glands. d. seminiferous tubules. _____ 3. The prostate gland is important to the a. proper functioning of the scrotum. c. ejaculation of normal semen. b. completion of meiosis. d. maturation of sperm. _____ 4. After sperm move through the vas deferens, they enter the a. seminal vesicles. b. urinary bladder. c. urethra. d. All of the above _____ 5. A sperm tail consists of a. a nuclear envelope. c. mitochondria. b. enzymes used to penetrate an egg. d. a flagellum. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 283 Male Reproductive System Name ______________________________ Class ___________________ Date __________________ SHORT ANSWER Answer the questions in the space provided. 1. Describe the path that sperm take in leaving the body. ___________________ _______________________________________________________________ 2. Describe the composition of semen. _________________________________ _______________________________________________________________ 3. Describe two differences between seminiferous tubules and the vas deferens. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 4. How is the structure of a sperm suited for fertilization? __________________ _______________________________________________________________ 5. Critical Thinking Is there an advantage for cells that secrete androgens (particularly testosterone) to be located within the testes instead of in other areas of the body? Explain your answer. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ STRUCTURES AND FUNCTIONS Use the figure below to answer the following questions. 1. Label each part of the figure in the spaces provided. 2. For each labeled structure, indicate whether sperm would be immature or mature. _________________________________________________________ _______________________________________________________________ _______________________________________________________________ Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 284 Male Reproductive System Name ______________________________ Class ___________________ Date __________________ SECTION 51-2 REVIEW FEMALE REPRODUCTIVE SYSTEM VOCABULARY REVIEW Explain the relationship between the terms in each of the following pairs of terms. 1. ovulation, ovary _________________________________________________ _______________________________________________________________ 2. menopause, menstruation __________________________________________ _______________________________________________________________ 3. uterus, cervix ___________________________________________________ _______________________________________________________________ 4. menstrual cycle, follicular phase ____________________________________ _______________________________________________________________ 5. corpus luteum, luteal phase ________________________________________ _______________________________________________________________ MULTIPLE CHOICE Write the correct letter in the blank. _____ 1. How many mature eggs does each complete meiotic division yield? a. one b. two c. three d. four _____ 2. Fallopian tubes are connected to a. the corpus luteum. b. the urethra. c. the vagina. d. the uterus. _____ 3. Which stage of the menstrual cycle is characterized by thickening of the uterine lining? a. follicular phase b. luteal phase c. menstruation d. ovulation _____ 4. Which of the following hormones initiates ovulation? a. progesterone c. luteinizing hormone b. follicle-stimulating hormone d. oxytocin _____ 5. Which of the following hormones acts directly on the uterine lining during the menstrual cycle? a. estrogen c. follicle-stimulating hormone b. luteinizing hormone d. testosterone Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 285 Female Reproductive System Name ______________________________ Class ___________________ Date __________________ SHORT ANSWER Answer the questions in the space provided. 1. Does the male or female gamete contribute more chromosomes to the fertilized egg? Explain your answer. _________________________________ _______________________________________________________________ 2. Describe two structural differences between a mature sperm and a mature egg. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 3. Critical Thinking What does the onset of menopause indicate about the number of immature eggs remaining in the ovaries? _____________________ _______________________________________________________________ _______________________________________________________________ STRUCTURES AND FUNCTIONS Use the figures of the menstrual cycle below to answer the following question. Briefly describe what is depicted in each figure. ________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 286 Female Reproductive System Name ______________________________ Class ___________________ Date __________________ SECTION 51-3 REVIEW GESTATION VOCABULARY REVIEW Define the following terms. 1. human chorionic gonadotropin ______________________________________ _______________________________________________________________ 2. implantation ____________________________________________________ _______________________________________________________________ 3. chorionic villi ___________________________________________________ _______________________________________________________________ 4. umbilical cord ___________________________________________________ _______________________________________________________________ 5. amniotic sac _____________________________________________________ _______________________________________________________________ MULTIPLE CHOICE Write the correct letter in the blank. _____ 1. Fertilization occurs in the a. vagina. b. uterus. c. fallopian tubes. d. ovaries. _____ 2. The morula is a. the outer cell layer of a rupturing follicle. b. an unfertilized egg. c. formed after the fusion of sperm and egg nuclei. d. attached to the uterine lining after implantation. _____ 3. Which of the following organ systems begins to form during the first trimester? a. nervous system c. digestive system b. circulatory system d. All of the above _____ 4. Afterbirth includes a. amniotic fluid. b. the placenta. c. unfertilized eggs. d. ruptured ovarian follicles. _____ 5. A zygote is a(n) a. implanted fertilized egg. b. ovulated egg. c. fertilized egg. d. blastocyst. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 287 Gestation Name ______________________________ Class ___________________ Date __________________ SHORT ANSWER Answer the questions in the space provided. 1. Explain why ovulation does not occur during pregnancy. _________________ _______________________________________________________________ 2. Describe how the placenta, chorionic villi, and allantois are functionally and structurally related. _______________________________________________________________ _______________________________________________________________ 3. Explain the importance of estrogen during pregnancy. ___________________ _______________________________________________________________ 4. What events must be completed before implantation is successful? _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 5. Critical Thinking If you were asked to design a pregnancy test that was based on hormones, which hormone would you select to indicate a pregnancy? Explain your answer. _____________________________________________ _______________________________________________________________ _______________________________________________________________ STRUCTURES AND FUNCTIONS Use the figure of part of the female reproductive system below to answer the following questions. 1. Label each part of the figure in the spaces provided. 2. Use the letters of the labeled structures to indicate where the following would normally be found during pregnancy: _________ blastocyst ________ corpus luteum _______ zygote ________ morula Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 288 Gestation