Question

Сделайте вывод строение спороносящего хвоща.Пж

Answer 1

Хвощи имеют длинные ветвящиеся корневища. Есть побеги на верхушках которых расположены спороносные колоски. В них созревают споры.Зелёные летние побеги содержат хлорофилл.

Answer 2

Structure of a Horsetail Plant

The structure of a horsetail plant, also known as Equisetum, consists of several distinct parts:

1. Stem: - The stem of a horsetail plant is the main above-ground structure. - It is hollow and jointed, resembling bamboo. - The stem is also ribbed and contains silica, which gives it a rough texture. - The stem is the most prominent part of the horsetail plant and is responsible for its characteristic appearance.

2. Leaves: - Horsetail plants have small, scale-like leaves arranged in whorls around the stem. - These leaves are not the primary site of photosynthesis, as the majority of photosynthesis in horsetails occurs in the stem.

3. Spore-Producing Structures: - Horsetail plants reproduce via spores rather than seeds. - The spore-producing structures, known as strobili or cones, are located at the tips of the stems. - These structures release spores for reproduction.

4. Rhizomes: - Below the ground, horsetail plants have rhizomes, which are underground stems. - The rhizomes help the plant spread and establish new growth.

5. Roots: - Horsetail plants have a system of roots that anchor the plant in the soil and absorb water and nutrients.

6. Silica Deposits: - Horsetail plants are known for their high silica content, which gives them abrasive properties. - The silica deposits in the stem make horsetail plants useful for polishing and scouring.

7. Overall Appearance: - The combination of the hollow, jointed stem, scale-like leaves, and spore-producing structures gives horsetail plants a unique and easily recognizable appearance.

The structure of a horsetail plant is adapted to its environment and plays a significant role in its reproduction, growth, and survival.