<p>Name______Class______Date______SECTION 51-1 REVIEW MALE REPRODUCTIVE SYSTEM</p><p>VOCABULARY REVIEW Define the following terms. 1. semen ______2. testes ______3. ejaculation ______4. seminiferous tubules ______5. epididymis ______</p><p>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.</p><p>Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 27 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. ______</p><p>STRUCTURES AND FUNCTIONS Use the figure below to answer the following questions. 1. Label each part of the figure in the spaces provided.</p><p>2. For each labeled structure, indicate whether sperm would be immature or mature.______</p><p>Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 28 Male Reproductive System Name______Class______Date______SECTION 51-2 REVIEW FEMALE REPRODUCTIVE SYSTEM</p><p>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 ______</p><p>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. c. the vagina. b. the urethra. 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</p><p>Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 29 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? ______</p><p>STRUCTURES AND FUNCTIONS Use the figures of the menstrual cycle below to answer the following question.</p><p>Briefly describe what is depicted in each figure. ______</p><p>Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 30 Female Reproductive System Name______Class______Date______SECTION 51-3 REVIEW GESTATION</p><p>VOCABULARY REVIEW Define the following terms. 1. human chorionic gonadotropin ______2. implantation ______3. chorionic villi ______4. umbilical cord ______5. amniotic sac______</p><p>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. c. unfertilized eggs. b. the placenta. d. ruptured ovarian follicles. ______5. A zygote is a(n) a. implanted fertilized egg. c. fertilized egg. b. ovulated egg. d. blastocyst.</p><p>Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 31 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. ______</p><p>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.</p><p>2. Use the letters of the labeled structures to indicate where the following would normally be found during pregnancy: ______blastocyst ______corpus luteum ______zygote ______morula</p><p>Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Modern Biology 32 Gestation</p>