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What is the process of sexual reproduction in gymnosperms?
Sexual reproduction in gymnosperms involves the formation of male and female cones, where the male cones produce pollen and the female cones contain ovules. Pollination occurs when pollen from the male cones reaches the ovule in the female cones, leading to fertilization and the development of seeds.
What is sexual reproduction in angiosperms?
Sexual reproduction in angiosperms involves the formation of flowers, where stamens produce pollen (male gametes) and ovaries contain ovules (female gametes). Pollination occurs when pollen fertilizes the ovules, leading to the development of seeds and fruit.
What is sexual reproduction in bryophytes?
Sexual reproduction in bryophytes involves the formation of gametangia, where male gametes (sperm) are produced in antheridia and female gametes (eggs) are produced in archegonia. Water is required for sperm to swim to the eggs for fertilization, leading to the formation of a sporophyte generation.
What is sexual reproduction in pteridophytes?
Sexual reproduction in pteridophytes involves the production of spores in sporangia, which develop into gametophytes. The gametophyte produces male (antheridia) and female (archegonia) gametes. Fertilization occurs when the sperm swims through water to reach the egg, resulting in the formation of a new sporophyte.
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