Question

Что такое вегетативное размножение? ⦁ Какие признаки характеризует приспособленность растений к опылению насекомыми: А. образование мелкой сухой пыльцы Б. ранневесеннее цветение В. наличие крупных цветков Г. образование крупной, липкой, шероховатой пыльцы 5. Найди, с помощью какого органа может осуществляться вегетативное размножение растений? А. верны оба варианта Б. не верен ни один из вариантов В. клубень Г. цветок

Answer 1

Вегетати́вное размноже́ние — образование новой особи из многоклеточной части тела родительской особи, один из способов бесполого размножения, свойственный многоклеточным организмам.
С ответами я не уверена , но !
1.В;
2.Б(корни, стебли, листья).

Answer 2

What is vegetative propagation?

Vegetative propagation is a form of asexual reproduction in plants where new individuals are produced from vegetative parts of the parent plant, such as stems, leaves, or roots. This process allows plants to reproduce without the need for seeds or fertilization. Vegetative propagation can occur naturally or be induced artificially by humans for various purposes, such as cloning desirable plant varieties or propagating plants that are difficult to grow from seeds.

Characteristics of plant adaptation to insect pollination:

Plants have developed various adaptations to attract and facilitate pollination by insects. Some of the key characteristics that characterize plant adaptation to insect pollination include:

A. Formation of fine dry pollen: Insect-pollinated plants often produce fine, dry pollen that is easily carried by the wind or attached to the bodies of insects. This type of pollen is different from the heavy, sticky pollen produced by plants that rely on other pollination mechanisms, such as birds or mammals.

B. Early spring flowering: Many insect-pollinated plants have evolved to flower early in the spring when insect activity is high. This timing ensures that the plants have a higher chance of attracting pollinators and increasing the chances of successful pollination.

C. Presence of large flowers: Insect-pollinated plants often have large, showy flowers with bright colors and attractive shapes. These characteristics help attract insects, as they are more likely to be drawn to visually appealing flowers.

D. Formation of large, sticky, rough pollen: In contrast to the fine dry pollen mentioned earlier, some insect-pollinated plants produce large, sticky, and rough pollen. This type of pollen is better suited for adhering to the bodies of insects and increasing the chances of successful pollination.

Please note that while these characteristics are commonly associated with plant adaptation to insect pollination, not all plants that exhibit these traits are exclusively pollinated by insects. Some plants may employ multiple pollination mechanisms, including wind and self-pollination.

Organ involved in vegetative propagation:

Vegetative propagation can be achieved through various organs of a plant, including:

A. Both options are correct: Vegetative propagation can occur through both stems and leaves. Certain plants have the ability to produce new individuals from stem cuttings, where a portion of the stem is removed from the parent plant and placed in a suitable environment to develop roots and grow into a new plant. Similarly, some plants can propagate through leaf cuttings, where a leaf is detached from the parent plant and encouraged to develop roots and form a new plant.

Therefore, option A is correct: vegetative propagation can be achieved through both stems and leaves.