BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 51.2, Problem 1LO
Summary Introduction
To determine: The difference between terms viviparity, oviparity, and ovoviviparity.
Introduction: Animal kingdom show two types of fertilization that include external fertilization and internal fertilization. In external fertilization, the fusion of sperm and egg takes place outside the body, whereas, in internal fertilization, the fusion of sperm and egg occurs inside the female body. Based on these criteria, the animals are classified into viviparous, ovoviviparous, and oviparous animals.
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Define, and distinguish among, the terms oviparous, ovoviviparous, and viviparous
Define the terms oviparous, ovoviviparous, viviparous and distinguish among them.
Explain the terms oviparous and viviparous.
Chapter 51 Solutions
BIOLOGY
Ch. 51.1 - Prob. 1LOCh. 51.1 - Prob. 2LOCh. 51.1 - Prob. 3LOCh. 51.2 - Prob. 1LOCh. 51.2 - Prob. 2LOCh. 51.3 - Prob. 1LOCh. 51.3 - Prob. 2LOCh. 51.3 - Prob. 3LOCh. 51.4 - Prob. 1LOCh. 51.4 - Explain ovulation and the female reproductive...
Ch. 51.4 - Prob. 3LOCh. 51.5 - Prob. 1LOCh. 51.5 - Describe causes of infertility.Ch. 51 - Prob. 1DACh. 51 - Why might it be adaptive for an individual to be...Ch. 51 - Prob. 2IQCh. 51 - Why do you think the brain is affected when the...Ch. 51 - You have discovered a new organism living in tide...Ch. 51 - Prob. 2UCh. 51 - Prob. 3UCh. 51 - Which of the following structures is the site of...Ch. 51 - FSH and LH are produced by the a. ovaries. b....Ch. 51 - Prob. 6UCh. 51 - Mutations that affect proteins in the acrosome...Ch. 51 - In humans, fertilization occurs in the____, and...Ch. 51 - The testicles of male mammals are suspended in the...Ch. 51 - Prob. 1ACh. 51 - Which of the following is a major difference...Ch. 51 - Prob. 3ACh. 51 - Internal and external fertilization differ in that...Ch. 51 - Prob. 1SCh. 51 - Why do you think that amphibians and many fish...Ch. 51 - How are the functions of FSH and LH similar in...Ch. 51 - Prob. 4SCh. 51 - Why are all parthenogenic parents female?
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- What do mean by vivipary?arrow_forwardWhich of the following specifically describes ovoviviparity? Animals are born by live birth Animals are born from eggs that hatch inside the body (c) Animals are born from eggs Animal development involves a larval stage Animal development does not involve a larval stagearrow_forwardCould childbirth as a whole be considered a negative feedbackevent? Discussarrow_forward
- The use of which types of contraception would have the greatest effect on the number of unwanted pregnancies?arrow_forwardWhich of the following statements about the Female Reproductive System is TRUE? Select one: A) Follicles are located in the ovarian cortex, which has a rich supply of blood vessels and nerve fibres. B) The female gonads secrete progesterone, estrogen, and oxytocin. C) Connective tissue makes up the walls of the ovaries, uterus, and vagi na – whereas epithelial tissue lines the inner sides of the uterus, Fallopian tubes, and vagina. D) Microbial growth is deterred by the non-acidic environment of the vagi na. E) Each ovary is held in place within the abdominopelvic cavity by three ligaments – the broad, suspensory, and uterine ligaments.arrow_forwardDefine primary sex organs, secondary sex organs, secondary sex characteristics?arrow_forward
- Explain Stages in the Control of Reproductive Function?arrow_forwardBriefly describe viviparity and ovoviviparity and compare the embryo's source of nourishment, their relative mortality, and number produced in each. #understandarrow_forwardAfter learning about the reproductive systems, how would advise a couple with following concern: "If we do not want a baby for next two years, how can we calculate the safe sex period?" She shares that her cycle is regular but not standard 28 days long cycle (so the standard explanation form different sources won't work unless you think critically)! At what time of the female cycle is she most likely to prevent fertilization of her ovulated egg? Consider the fact that her cycle is not 28 days but longer or shorter (you pick). Do males have any time (in their cycle- if any) when their gametes would not be able to fertilize the egg? In other words when can intercourse lead to least chance of pregnancy? Feel free to check with your older friends, doctors, nurses, or anyone who you feel comfortable talking about this.arrow_forward
- Select the conditions that would be present in a genetic male fetushaving a mutation that causes the synthesis of an ineffective müllerian-inhibiting hormone.(1) Male internal reproductive structures develop.(2) Male internal reproductive structures do not develop.(3) Female internal reproductive structures develop.(4) Female internal reproductive structures do not develop.(5) Male external genitalia develop.(6) Female external genitalia develop.a. 2,4,6b. 1,3,5c. 1,2,6d. 2,3,5arrow_forwardWhat is the correct sequence of events in the development of ovarian follicles? * Primary Oocyte, secondary oocyte, tertiary oocyte, Mature oocyte, Corpus Luteum Primordial follicle, secondary follicle, tertiary follicle, Graafian follicle, Corpus Luteum Primary follicle, primary oocyte, secondary oocyte, Mature oocyte, Corpus Luteum Primordial follicle, primary follicle, secondary follicle, Graafian follicle, Corpus Luteum Primary Oocyte, primary follicle, secondary follicle, Graafian follicle, Corpus Luteumarrow_forwardWhat does the graph show about estrogen and progesterone before and after ovulation? Please choose from one choice below. Before ovulation: Progesterone level is higher than estrogen; After ovulation: Estrogen level is higher than progesterone Before ovulation: Estrogen level is lower than progesterone; After ovulation: Progesterone level is higher than estrogen Before ovulation: Estrogen level is higher than progesterone; After ovulation: Progesterone level is higher than estrogen Before ovulation: Progesterone level is higher than estrogen; After ovulation: Estrogen level is lower than progesteronearrow_forward
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