AP Biology Ch ANIMAL REPRODUCTION. Using only what you already know (you cannot look up anything) complete the chart below.
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1 AP Biology Ch ANIMAL REPRODUCTION Using only what you already know (you cannot look up anything) complete the chart below.
2 I. Overview of Animal Reproduction A. Both asexual and sexual reproduction occur in the animal kingdom 1. Asexual reproduction 2. Sexual reproduction 3. Gametes 4. Zygotes 5. Ovum 6. Spermatozoan B. Diverse mechanisms of asexual reproduction enable animals to produce identical offspring rapidly 1. Budding 2. Fragmentation 3. Regeneration 4. Gemmules C. Reproductive cycles and patterns vary extensively among animals II. 1. Parthenogenesis 2. Hermaphroditism 3. Sequential hermaphrodites, 4. Protoandrous 5. Protogynous Mechanisms of Sexual Reproduction A. Internal and external fertilization both depend on mechanisms ensuring the mature sperm encounter fertile eggs of the same species 1. Internal fertilization 2. External fertilization 3. Pheromones Question 46.2 List three mechanisms that may help to ensure that gamete release is synchronized when fertilization is external. a. b. c. B. Species with internal fertilization usually produce fewer zygotes but provide more parental protection than species with external fertilization C. Complex reproductive systems have evolved in many animal phyla 1. Gonads 2. Spermatheca 3. Cloaca
3 III. Mammalian Reproduction A. Human reproduction involved intricate anatomy and complex behavior 1. Reproductive anatomy of the human male a. Seminiferous tubules b. Testes c. Leydig cells d. Epididymis e. Ejaculation f. Vas deferens g. Ejaculatory duct h. Urethra i. Semen j. Seminal vesicles k. Prostate gland l. Bulbourethral glands m. Penis n. Baculum o. Gland penis p. Prepuce
4 2. Reproductive anatomy of the human female a. Ovaries b. Follicles c. Ovulation d. Corpus luteum e. Oviduct f. Uterus g. Endometrium h. Vagina i. Cervix j. Hymen k. Vestibule l. Labia minora m. Labia majora n. Clitoris o. Bartholin s glands p. Mammary gland
5 3. Human Sexual response a. Vasocongestion b. Myotonia c. Coitus d. Orgasm 4. Spermatogenesis and oogenesis both involve meiosis but differ in three significant ways a. Terminology 1) Spermatogenesis 2) Spermatogonia 3) Acrosome 4) Oogenesis b. Differences Timeline Quantity (lifetime & meiotic) Size Motility 5) Oogonia 6) Primary oocyte 7) Secondary oocyte
6 Question 46.4 List the three important ways in which oogenesis differs from spermatogenesis. a. b. c. 5. A complex interplay of hormone regulate reproduction a. The male pattern Question 46.5 fill in the blanks in the following description of the control of male reproductive hormones. a. produced by the hypothalamus regulates the release of gonadotropic hormones from the anterior pituitary. b. stimulates the seminferous tubules to increase spermatogenesis. c. stimulates d. production by Leydig cells. Androgen contribute to spermatogenesis and development of e.. f. control the production of GnRH, LH, and FSH, maintaining fairly constant hormone levels in human males. b. The female pattern 1) Menstrual cycles 2) Menstruation 3) Estrous cycles 4) Estrus 5) Menstrual flow phase 6) Proliferative phase 7) Secretory phase 8) Ovarian cycle 9) Follicular phse 10) Ovulation 11) Luteal phase 12) Menopause
7 6. Embryonic and fetal development occur during pregnancy in humans and other Eutherian (placental) mammals a. From Conception to birth 1) Embryos 2) Conception 3) Pregnancy or gestation 4) Trimesters 5) Cleavage 6) Blastocyst 7) Placenta 8) Organogenesis 9) Fetus 10) Human Chorionic Gonadotropins 11) Labor 12) Parturition 13) Lactation Question 46.7 List the functions of the following hormones and where they are secreted. a. human chorionic gonadotropin b. progesterone c. oxytocin b. Reproductive Immunology 7. Contraception a. Rhythm methods b. Barrier methods c. Chemical contraception d. Sterilization Question List the three general types, along with examples, of birth control methods. Which examples are most likely to prevent pregnancy? Whic are least likely to do so? a. b. c. IV. Modern technology offers solutions for some reproductive problems
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