Question

РЕБЯТААААА ПОМОГИТЕ СРОЧНО ПОЧЕМУ У РАСТЕНИЙ ВСТРЕЧАЮТСЯ РАЗНЫЕ ВИДЫ СТЕБЛЯ И С ЧЕМ ЭТО СВЯЗАНО И ЕЩЁ ПОЧЕМУ КЛУБЕНЬ И ЛУКОВИЦА ЯВЛЯЮТСЯ ВИДОИЗМЕНЁННЫМИ ПОБЕГАМИ

Answer 1

Виды стеблей связаны с приспособлением растений к окружающей среде. Возьмём тополь за окном. У него одеревеневший стебель. Прочный и твердый ствол ему необходим для конкуренции за свет. Ведь какой-то лопух не сможет так просто вырасти вверх. (далее говорить необязательно) Как и все эволюционировавшие организмы этот тополь жив благодаря естественному отбору.

Answer 2

Plant Stems and Their Varieties

Plants exhibit different types of stems, which can be attributed to various factors such as their functions, environmental adaptations, and evolutionary history. The diversity of stem types in plants is a result of their ability to adapt to different ecological niches and fulfill specific biological roles.

Varieties of Plant Stems: There are several types of plant stems, each serving different functions. These include herbaceous stems, woody stems, rhizomes, runners, tubers, and bulbs. Each type of stem has unique characteristics and is adapted to specific environmental conditions and growth requirements.

Reasons for Different Stem Types: The presence of various stem types in plants is primarily associated with their adaptation to different environmental conditions and ecological niches. For example, herbaceous stems are well-suited for rapid growth and flexibility, making them ideal for annual plants, while woody stems provide structural support and protection for perennial plants.

Club Roots and Bulbs as Modified Stems: Club roots and bulbs are considered modified stems known as tuberous roots and bulbous roots, respectively. These modifications serve specific purposes such as storage of nutrients and asexual reproduction. The formation of club roots and bulbs as modified stems is a result of evolutionary adaptations to specific environmental conditions and survival strategies.

In conclusion, the presence of different stem types in plants is a reflection of their diverse ecological adaptations and biological functions. The development of club roots and bulbs as modified stems further demonstrates the remarkable ability of plants to evolve and thrive in various environments.