Asked by danniy
are the reproductive structures of gymnosperms.
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The reproductive structures of gymnosperms include:
1. **Strobili (Cones)**: Gymnosperms produce cones, which can be male or female:
- **Male Cones**: These produce pollen grains, which contain the male gametes (sperms).
- **Female Cones**: These produce seeds. They contain ovules (female gametes), which develop into seeds after fertilization.
2. **Pollen Grains**: These are the male gametophytes that develop from pollen sacs in male cones. They are transported by wind to female cones for fertilization.
3. **Ovules**: Located within the female cones, ovules contain the female gametes. After fertilization occurs, the ovules develop into seeds.
4. **Seeds**: Seeds are the matured ovules that contain the embryonic plant and its food supply, protected by a seed coat.
Gymnosperms do not produce flowers or fruits, which sets them apart from angiosperms (flowering plants). Instead, their reproduction relies on the exposure of seeds on cone scales.
1. **Strobili (Cones)**: Gymnosperms produce cones, which can be male or female:
- **Male Cones**: These produce pollen grains, which contain the male gametes (sperms).
- **Female Cones**: These produce seeds. They contain ovules (female gametes), which develop into seeds after fertilization.
2. **Pollen Grains**: These are the male gametophytes that develop from pollen sacs in male cones. They are transported by wind to female cones for fertilization.
3. **Ovules**: Located within the female cones, ovules contain the female gametes. After fertilization occurs, the ovules develop into seeds.
4. **Seeds**: Seeds are the matured ovules that contain the embryonic plant and its food supply, protected by a seed coat.
Gymnosperms do not produce flowers or fruits, which sets them apart from angiosperms (flowering plants). Instead, their reproduction relies on the exposure of seeds on cone scales.
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