Reproduction in Lower Life Forms
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✎ Suggest a correctionCell division in paramecium and spirogyra, hibernation as spore awaiting favorable conditions. Conjugation—true sexual reproduction, formation of zygote. Primitive, one-celled hydra. Reproduction by budding, also by expulsing of sperm cells to fuse with egg cells. In higher forms (plants), the flower is reproductive organ. Stygma, filament, ovary, fertilization, seed formation, reproduction.
Sources
- Bell & Howell Filmosound Library Catalog of Educational Motion Pictures, 1942 — title, creator, length, format, color, sound, genre, description
Record added 2026-09-26 21:16:36 · Suggest a correction