18. What is reproduction? A. When parents make offspring. C. When offspring is an exact copy of the adult. B. When offspring make adults. D. When offspring is an exact opposite of the a 19. What part of the female reproductive system produces egg? A. Oviduct B. Uterus C. Ovary D. Vagina 20. What part of the flower produces male sex cells or pollen? A. anthers B. filament C. style D. ovary