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Both the male and female reproductive systems are essential for reproduction. ... Unlike the male, the human female has a reproductive system located entirely in the pelvis. The external part of the female reproductive organs is called the vulva, ... During the fetal stage, which lasts from 9 weeks after fertilization to birth,
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kidshealth.org/parent/general/body_basics/female_reprod...
kidshealth.org/parent/general/body_basics/female_reproductive_system.html
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Unlike the bony fishes that rely on external fertilization (the female ejects thousands of small eggs to be fertilized outside the body by males), all sharks and rays accomplish this by internal fertilization. The process of internal fertilization involves highly developed internal and external reproductive organs.
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www.sharkology.com/rep.html
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Reproductive System of the Canvasback Duck ... External fertilization seems to be most common in early vertebrates, while internal fertilization using an intermittent organ such as the phallus in the duck seems more prevalent in later vertebrates.
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campus.murraystate.edu/academic/faculty/terry.derting/c...
campus.murraystate.edu/academic/faculty/terry.derting/cva_atlases/canduck/reproduck.htm
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Male and female exhibit several differences in their external features. The Male reproductive system consists of a pair of testis that are enclosed in scrotal sacs, a pair of vas deferens, a seminal vesicle, ejaculatory duct an.. ... differentiate internal and external fertilization reproduction...
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www.tutorvista.com/search/internal-and-external-fertili...
www.tutorvista.com/search/internal-and-external-fertilization-reproduction
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[edit] Similarities between male and female reproductive systems ... Surround entrance to the reproductive tract.(encompasses all external genitalia) ... Common usage refers to menstruation and menses as a period. This bleeding serves as a sign that a woman has not become pregnant. However, this cannot be taken as certainty,
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en.wikibooks.org/wiki/Human_Physiology/The_female_repro...
en.wikibooks.org/wiki/Human_Physiology/The_female_reproductive_system
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Conception, the fertilization of an egg by a sperm, ... Labia majora: The labia majora enclose and protect the other external reproductive organs. ... Sexual Health: FAQs About Sex and Relationships - Read about the frequently asked questions about sex and relationshiops. What are the most common causes of sex problems among couples?
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www.medicinenet.com/female_reproductive_system/article....
www.medicinenet.com/female_reproductive_system/article.htm
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hermaphroditism - individuals have both male and female reproductive systems ... common in many aquatic animals ... cervix - separation between the uterus (internal) and the vagina (external)
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www.tarleton.edu/~sudman/biol1214/chapter46.html
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11. Compare reproductive systems using internal and external fertilization on the basis of the relative number of zygotes and protection of the embryos. ... 13. Compare the reproductive systems of a polychaete worm, a parasitic flatworm, an insect, a common nonmammalian vertebrate, and a mammal.
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www.biologyjunction.com/chapter_46_ap_obj_animal_reprod...
www.biologyjunction.com/chapter_46_ap_obj_animal_reprodu.htm
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10. Compare reproductive systems using internal and external fertilization on the basis of the relative number of zygotes, protection of the embryos, and parental care. 11. List and describe various methods of egg ... 12. Compare the reproductive systems of a polychaete worm, an insect, a common nonmammalian vertebrate,
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www.ecfs.org/projects/pchurch/AT%20BIOLOGY/Worksheet%20...
www.ecfs.org/projects/pchurch/AT%20BIOLOGY/Worksheet%20for%20Embryology%20Ch.%2046%20and%2047.pdf
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