Question

Какие функции выполняют колючки и усики у растений

Answer 1

Защитные функции ...

Answer 2

Functions of Stems and Roots in Plants

Stems and roots are essential parts of plants that perform various functions necessary for their growth and survival. Let's explore the functions of stems and roots in more detail:

Functions of Stems:

1. Support: Stems provide structural support to the plant, allowing it to stand upright and maintain its shape. 2. Transport: Stems contain vascular tissues, such as xylem and phloem, which transport water, nutrients, and sugars between the roots and leaves of the plant. 3. Storage: Some stems, such as rhizomes and tubers, store nutrients and water, enabling the plant to survive during unfavorable conditions. 4. Photosynthesis: In certain plants, stems can perform photosynthesis and produce food for the plant. 5. Reproduction: Stems can also serve as a means of vegetative reproduction, allowing plants to propagate by producing new shoots or roots.

Functions of Roots:

1. Anchorage: Roots anchor the plant in the soil, providing stability and preventing it from being uprooted by wind or other forces. 2. Absorption: Roots absorb water and minerals from the soil, which are essential for the plant's growth and metabolism. 3. Storage: Some roots, such as taproots and tuberous roots, store nutrients and water, serving as a reserve for the plant during periods of drought or nutrient scarcity. 4. Transport: Roots also play a role in transporting water and nutrients from the soil to the rest of the plant through the xylem and phloem. 5. Interaction with Soil: Roots interact with soil microorganisms, forming symbiotic relationships that enhance nutrient uptake and contribute to soil health. 6. Aeration: In some plants, roots can facilitate gas exchange by absorbing oxygen from the air and releasing carbon dioxide into the soil.

It's important to note that the specific functions of stems and roots can vary depending on the plant species and its adaptations to its environment. Different plants may have specialized stems and roots that perform additional functions beyond the ones mentioned above.

I hope this information helps! Let me know if you have any further questions.