Question

Помогите пжжж Задание номер 1 1. Термин "рост" выражает количественные изменения растений. 2. Условия прорастания растения обусловливают скорость его роста 3. Рост растения происходит за счет образования новых клеток и их растяжения 4. Термин "рост" выражает качественные изменения растений. 5. Рост растения прекращается к фазе цветения 6. Растения растут только в молодом возрасте. Задание номер 2 Особенности размножения Способ размножения а) происходит с помощью черенков 1) ПОЛОВОЕ б) осуществляется без участия гамет 2) БЕСПОЛОЕ в) происходит слияние гамет г) образуется зигота д) потомство обладает теми же свойствами, что и материнский организм

Answer 1

Задание 1:

123 (верные). 5-вот хз

Задание 2:

1) в, г,

2) а, б, д

Answer 2

Terminology and Concepts of Plant Growth

The term "growth" in the context of plants refers to quantitative changes in plant size or biomass. It encompasses various processes that contribute to the overall increase in plant size and development. Let's examine the statements provided and determine their accuracy.

1. The statement that "the term 'growth' expresses quantitative changes in plants" is correct. Growth in plants involves an increase in size, weight, or biomass, which can be measured and quantified.

2. The statement that "the conditions of plant germination determine the speed of its growth" is partially correct. While the conditions during germination can influence the subsequent growth of a plant, it is important to note that growth is a continuous process that occurs throughout the plant's life cycle. Factors such as light, temperature, water availability, and nutrient supply can affect the rate of growth at different stages of a plant's life.

3. The statement that "plant growth occurs through the formation of new cells and their elongation" is accurate. Plant growth involves cell division, where new cells are produced, and cell elongation, where existing cells increase in size. These processes contribute to the overall increase in plant size and development.

4. The statement that "the term 'growth' expresses qualitative changes in plants" is incorrect. Growth primarily refers to quantitative changes in plant size or biomass, as mentioned earlier. Qualitative changes, on the other hand, refer to changes in the characteristics or properties of plants, such as the development of specialized tissues or the acquisition of specific traits.

5. The statement that "plant growth ceases during the flowering phase" is incorrect. While the rate of growth may slow down during the flowering phase, it does not completely cease. Plants continue to grow and develop even after flowering, as they produce seeds and undergo other physiological processes.

6. The statement that "plants only grow in their early stages" is incorrect. Plants exhibit growth throughout their life cycle, from germination to maturity. While the rate of growth may vary at different stages, plants continue to grow and develop as long as they are alive.

Modes of Reproduction in Plants

Let's now discuss the characteristics of different modes of reproduction in plants, as mentioned in the second part of the question.

a) Sexual reproduction: - Sexual reproduction involves the fusion of male and female gametes (reproductive cells) to produce offspring. - It requires the involvement of flowers, pollination, and fertilization. - The offspring inherit genetic material from both parents, resulting in genetic diversity. - Sexual reproduction allows for the exchange and recombination of genetic material, leading to variations in the offspring. - Examples of sexual reproduction in plants include the production of seeds through pollination and fertilization.

b) Asexual reproduction: - Asexual reproduction occurs without the involvement of gametes or the fusion of reproductive cells. - It results in the production of offspring that are genetically identical or clones of the parent plant. - Asexual reproduction methods include vegetative propagation, where new plants are produced from vegetative parts such as stems, leaves, or roots. - Offspring produced through asexual reproduction inherit the exact genetic traits of the parent plant. - Asexual reproduction allows for the rapid multiplication of plants with desirable traits.

In summary, plants can reproduce through both sexual and asexual means. Sexual reproduction involves the fusion of gametes and leads to genetic diversity, while asexual reproduction results in offspring that are genetically identical to the parent plant. Both modes of reproduction have their advantages and are important for the survival and propagation of plant species.

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