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39-3 The Reproductive System. Budding of polyps. Asexual examples : Hydra. Regeneration of cut pieces. Amoeba asexual division. Nucleus. 2 nd amoeba. Asexual Reproduction :. Runners in strawberries. Spores in Puffball Mushrooms. Sexual Reproduction. “ Joey” develops in a Pouch.
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39-3 The Reproductive System Copyright Pearson Prentice Hall
Budding of polyps Asexual examples: Hydra Regeneration of cut pieces Copyright Pearson Prentice Hall
Amoeba asexual division • Nucleus 2nd amoeba Copyright Pearson Prentice Hall
Asexual Reproduction: Runners in strawberries Spores in Puffball Mushrooms Copyright Pearson Prentice Hall
Sexual Reproduction Copyright Pearson Prentice Hall
“Joey” develops in a Pouch Copyright Pearson Prentice Hall
Flowering Plants Sexual Reproduction Dry Pollen For sperm Copyright Pearson Prentice Hall
Ferns Sexual & Asexual Reproduction Sexual & Asexual Copyright Pearson Prentice Hall
The Male Reproductive System • Male Reproductive System Urinary bladder Vas deferens Pubic bone Seminal vesicle Urethra Rectum Penis Prostate gland Epididymis Bulbourethral gland Testis Scrotum Copyright Pearson Prentice Hall
The Male Reproductive System • A sperm cell consists of: • a head, which contains the nucleus • a midpiece, which contains energy-releasing mitochondria • a tail, which propels the cell forward Head Nucleus Midpiece Mitochondria Tail Copyright Pearson Prentice Hall
Sperm Production (Spermatogenesis) • Video Copyright Pearson Prentice Hall
Reproduction Hormones Copyright Pearson Prentice Hall
Sperm Production Regulation • See p. 53 Copyright Pearson Prentice Hall
The Female Reproductive System • Female Reproductive System Fallopian tube Ovary Uterus Cervix Urinary bladder Rectum Pubic bone Vagina Urethra Copyright Pearson Prentice Hall
The Menstrual Cycle • The Menstrual Cycle • The menstrual cycle is controlled by internal feedback mechanisms between the reproductive system and the endocrine system. • The cycle takes an average of 28 days. Copyright Pearson Prentice Hall
The Menstrual Cycle Ovulation Copyright Pearson Prentice Hall