What can be done to better record the growth and change process of plants throughout their lives?

1. Look: Observe the color, shape, size and other distinguishing features of the plant with the naked eye, and then observe the characteristics of the plant with smaller particles with a microscope.

2. Touch: Touch the softness, hardness and smoothness of the plant with your hands.

3. Smell: Smell the smell of the plant with your nose.

4. Measurement: understand the weight, volume, etc. of plants.

5. Observation records: Observing different plants, you can find that their shape, size, color and other characteristics are different. The observed results are documented.

To better record the growth and change process of plants throughout their lives, the following steps can be followed:

1.Observation: Observe the color, shape, size, and other distinguishing features of the plant with the naked eye, and then observe the characteristics of the plant with smaller particles with a microscope.

2.Touch: Touch the softness and smoothness of the plant with your hands.

3.Smell: Smell the plant with your nose.

4.Measurements: Know the weight, volume, etc. of the plant.

5.Record: Document the observed results.

In addition, the farmer's uncle sows the seeds in the spring when the temperature rises, or in the greenhouse, indicating that the seeds need the right temperature for germination, some need soil, and some do not need soil. Seeds germinate and grow under the moisture of rain, indicating that water is needed. Plants also need photosynthesis and can't do without air and sunlight.

Summary. Look: Observe the color, shape, size, and other distinguishing characteristics of the seeds with the naked eye, and then use a microscope to observe the characteristics of the seeds with smaller particles.

Touch: Feel the softness, hardness, and smoothness of the seeds with your hands.

Sniff: Sniff the seeds with your nose.

Measurement: Know the weight, volume, etc. of the seeds.

Observation records: Observing the seeds of different plants, it can be found that they have different characteristics such as shape, size, color, etc. The observed results are documented.

6.As a seed, it basically includes several parts such as seed coat, embryo, germ, radicle, and cotyledons.

7.The seed is composed of seed coat and embryo, the embryo is the most important part of the seed, is the larvae of the new plant, it is composed of four parts: germ, radicle, hypocotyl and cotyledon. After the seed germinates, the radicle forms the root of the plant, and the germ forms the stem and leaves of the plant.

8.Different plants vary in external characteristics such as seed shape, size, color, smoothness, softness and hardness, and odor.

9.Although there is a great difference in the external morphology of the seeds of different plants, the inside of the seeds.

How can we keep a good record of the growth and changes of plants throughout their lives?

The color, shape, size, and other distinguishing features of the seeds were observed with the naked eye, and then the characteristics of the seeds with smaller particles were observed with a microscopic residue. Touch: Feel the softness, hardness, and smoothness of the seeds with your hands.

Sniff: Sniff the seeds with your nose. Measurements:

Know the weight, volume, and more of the seeds. Observation records: Observing the seeds of different plants, it can be found that they have different characteristics such as shape, size, color, etc.

The observed results are documented. 6.As a seed, it basically includes several parts such as seed coat, embryo, germ, radicle, and cotyledons.

7.The seed is composed of seed coat and embryo, the embryo is the most important part of the seed, is the larvae of the new plant, it is composed of the germ, radicle, hypocotyl such as the Lu and cotyledons. After the seed germinates, the radicle forms the root of the plant, and the germ forms the stem and leaves of the plant.

8.Different plants vary in external characteristics such as seed shape, size, color, smoothness, softness and hardness, and odor. 9.

Although there is a great difference in the external morphology of the seeds of different plants, the inside of the seeds.

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The process of plant growth includes the germination period of plant seeds, the growth period of plant seedlings, the growth period of plant velocity, and the hardening period of plant seedlings.

The process by which the seeds are buried in the soil and absorb the nutrients in the soil is called the germination stage of plant seeds. The process by which leaves and rhizomes grow after the seeds germinate is called the plant seedling growth period. Plant growth is large during the plant velocity growth period, and the area and number of leaves are significantly increased.

When the plant reaches the seedling hardening stage, the growth will decrease.

Plants can use light energy and chlorophyll, which is not found in animals, to produce food from water, minerals and carbon dioxide. Plants rely mainly on the soil for support and water, as well as important basic nutrients such as nitrogen and phosphorus. The giant plant uses the energy from sunlight to convert carbon dioxide from the atmosphere into simple sugar.

Plant classification

The origin of life is DNA and raw slurry made up of chemicals. The history of plants dates back to 2.5 billion years ago (Proterozoic), and the plants that appeared in the earliest of the earth's history belonged to fungi and algae, and then algae were once very prosperous. It wasn't until 438 million years ago (Silurian period) that green algae broke free from the constraints of the aquatic environment and landed on the earth for the first time, evolving into naked ferns and ferns.

For the first time, the land is dressed in green. 360 million years ago (Carboniferous), the naked fern became extinct and the fern declined. In their place are lycopodium, cuneiform, eumorphic ferns and seed ferns, forming swampy forests.

The main plants of the Paleozoic era were almost completely extinct 248 million years ago (Triassic), and gymnosperms began to emerge, evolved pollen tubes, and completely broke away from their dependence on water, forming dense forests. At the beginning of the Cretaceous period, 140 million years ago, newer, more advanced angiosperms were already diverging from gymnosperms.

1.Seed germination stage: Healthy seeds germinate and grow into seedlings under suitable conditions of temperature, moisture and light.

2.Seedling growth period: branches and leaves grow rapidly, producing nutrients to form robust plants.

3.Strong seedling development period: The branches and leaves grow slowly, and the plant begins to form flower buds.

4.Seedling flowering stage: All the energy of the plant is concentrated in flowering, showing a state of luxuriant flowers.

5.Seed formation stage: The flower develops to form a fruit containing seeds, until senescence.

Plants are one of the main forms of life, including trees, shrubs, vines, grasses, ferns, and familiar organisms such as green algae and lichens.

It is estimated that there are about 350,000 species of seed plants, bryophytes, ferns and gymnosperms. Most of the energy of green plants is obtained from sunlight through photosynthesis, and temperature, humidity, light, and fresh water are the basic needs of plants for survival.

Seed plants have six major organs: roots, stems, leaves, flowers, fruits, and seeds. Green plants have the ability to photosynthesize - with the help of light energy and chlorophyll, under the catalytic operation of enzymes, water, inorganic salts and carbon dioxide are used for photosynthesis, releasing oxygen, absorbing carbon dioxide, and producing organic matter such as glucose for plant use.

The stages of plant development are often very different. Plants that complete the process of seed germination and vegetative build-up and finally flowering and fruiting within a growing season are called annual plants (or one-time fruiting plants). Some plants begin to reach the flowering stage after the vegetative body grows for many years, and the vegetative body seness and dies after flowering (such as bamboo), and these plants are called perennial one-time fruiting plants.

Many woody plants have the habit of flowering and bearing fruit multiple times, and after they bloom and bear fruit every year, the vegetative body does not decline, and these plants are called multi-fruiting plants.

The growth process of plants: seedling stage, slow seedling stage, vigorous growth stage, flowering stage, dormancy stage.

1. Seedling stage

Plants from the sowing after the first experience is the seedling stage out of the soil, at this stage of the plant's shallow roots are very fragile seedlings, give it special care will grow better, generally speaking, in the seedling stage of the plant in addition to keeping the soil moist, but also need to ensure that the temperature is suitable, can also be topdressing according to the actual situation, but must control the amount of fertilizer, less than the normal growth period, mainly thin fertilizer.

2. Slow seedling stage

The slow seedling stage is a very special growth stage, and it also needs to go through special care to slowly adapt to grow better. Generally speaking, the plants in the slow seedling stage do not need to consider its growth habits in the maintenance process, and put them in a well-ventilated and scattered light place at home.

3. Vigorous growth period

Plants will grow rapidly at this stage, and they need sufficient water and nutrients, so when maintaining plants, you can also increase the amount of watering and fertilization according to its growth habits, but you should also pay attention not to let the potting soil accumulate water, and fertilize a small amount of fertilizer many times, thin fertilizer and frequent application, so as to promote it to differentiate more and better flower buds and help it increase the amount of flowering.

4. Flowering period

Plants will enter the flowering period after experiencing a vigorous growth stage, but the flowering period of different plants is also different, for some seasonal flowering, relatively short flowering period of the plant we should stop fertilizing when it enters the flowering period, otherwise it is easy to cause fertilizer damage. Plants that bloom continuously all year round and have a relatively long flowering period can be supplemented with some appropriate amount of phosphorus and potassium fertilizer according to the actual situation.

5. Dormant period

Plants will enter the dormant period after the end of the flowering period, and the plants at this time have basically stopped growing, and even some plants will lose leaves, lose their leaves, or even wither all during the dormant period, so the requirements for water and nutrients are basically gone.

1. Germination stage: Plant seeds are sown in the soil to provide it with sufficient water, and the seeds will grow young shoots after a month. 2. Growth period:

After entering the growth period, the plant begins to grow taproots, stems and leaves. 3. Hardening period: At this time, nitrogen fertilizer is provided for plants, which can promote their growth, let the seedlings grow and mature as soon as possible, and the branches gradually harden.

1. Embryonic stage

The first stage of plant growth is the germination stage, when the seeds are in the dormant stage, bury them in the soil, and after watering them, the seeds will gradually wake up, regain their activity, and then absorb enough water from the soil to expand, and finally burrow out of the soil to grow.

2. Growth period:

The second stage of plant growth is the growth phase. After the plant seedlings are drilled out of the soil, they will begin to grow taproots, stems, and leaves, and nitrogen fertilizer and farm fertilizer will be applied to them to increase the growth rate of the plant, and after a period of time, the number of leaves will increase, and the stems will become thicker.

3. Hardening period

The third stage of plant growth is the hardening phase. At this time, the growth rate of plant seedlings gradually slows down and enters the dormant period, and all the nutrients absorbed by the roots will be stored in the stem, so that the stem will harden.