Question

Сравните половое размножение кукушкиного льна и булавовидного плауна

Answer 1

Они размножаются спорами . Когда споры созревают они выпадают на мужской цветок и после этого получается общий цветок 

Answer 2

Comparison of Sexual Reproduction in Cuckoo's Flax and Bulbous Buttercup

Cuckoo's Flax and Bulbous Buttercup are two different plant species that reproduce sexually. Let's compare the sexual reproduction processes in these two plants.

Cuckoo's Flax: Cuckoo's Flax, also known as Linaria vulgaris, is a flowering plant that belongs to the family Plantaginaceae. It has a unique reproductive strategy known as cleistogamy, which involves the production of both open and closed flowers.

1. Open Flowers: Cuckoo's Flax produces open flowers that are pollinated by insects, such as bees and butterflies. These flowers have both male and female reproductive organs, including stamens (male) and pistils (female). Pollination occurs when pollen from the stamens is transferred to the pistil, leading to fertilization and the production of seeds.

2. Closed Flowers: In addition to open flowers, Cuckoo's Flax also produces closed flowers. These flowers do not open and are self-pollinating. They have mechanisms that ensure self-fertilization, even without the need for external pollinators. This allows the plant to reproduce even in the absence of pollinators or in unfavorable environmental conditions.

Bulbous Buttercup: Bulbous Buttercup, scientifically known as Ranunculus bulbosus, is another flowering plant that belongs to the family Ranunculaceae. It has a different reproductive strategy compared to Cuckoo's Flax.

1. Flower Structure: Bulbous Buttercup produces flowers that are also pollinated by insects. These flowers have both male and female reproductive organs, similar to Cuckoo's Flax. The stamens produce pollen, while the pistil contains the ovary, where fertilization takes place.

2. Pollination: In Bulbous Buttercup, pollination occurs when insects, such as bees or flies, visit the flowers. The insects transfer pollen from the stamens to the pistil, allowing fertilization to occur. This process leads to the development of seeds.

In summary, both Cuckoo's Flax and Bulbous Buttercup reproduce sexually through the production of flowers with male and female reproductive organs. However, Cuckoo's Flax has a unique reproductive strategy called cleistogamy, which involves the production of both open and closed flowers. The closed flowers ensure self-pollination and reproductive success even in the absence of external pollinators. On the other hand, Bulbous Buttercup relies on insect pollinators for successful fertilization and seed production.

Please note that the information provided above is based on search results from You.com. For more detailed and specific information, it is recommended to refer to reliable botanical sources or consult with experts in the field.