VOCABULARY REVIEW Define the Following Terms s2

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 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. ______

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 28 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. 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

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? ______

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 30 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. 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.

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. ______

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