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essay topic about plants, Plants are a type of living organisms found on the surface of the globe, which play an important role in human and animal life, as plants are the means or tool that supplies most living organisms with oxygen and some with food, and based on the above and through the reference site, the topic will be listed An expression on plants, as well as mentioning some information related to plants, including clarification of the nature of plants, their types, and their importance, and knowledge of the characteristics of plants and their relationship to humans will be discussed.

Definition of plants

Plants belong to the kingdom of plants and its scientific name is ( Plantae), which are living organisms that spread in various areas on the surface of the globe, some of them grow on water bodies, and others on land, we may find that there are approximately 300,000 species of plants in the universe, as well as natural ones, which are God made and grow on their own and without any human intervention, including what humans cultivate, as plants are characterized as multicellular organisms, in addition to containing chlorophyll responsible for completing the metabolism process in the plant known as the process of photosynthesis, which is the process that transforms It contains light energy that it absorbs from sunlight into chemical energy, which in turn helps produce oxygen gas responsible for the breathing process in humans and some animals, which leads to maintaining ecological balance.[1]

Elements of an expression theme about plants

There are many types of living organisms, including plants, which are represented in trees, ferns and fruits, and in this regard, the elements of an expression of plants will be listed in the following:

  • Introduction topic essay on plants.
  • Essay topic on plants.
  • The benefits of plants and their relationship to humans.
  • Conclusion topic essay on plants.

One of the characteristics of the plant kingdom is that

Introduction topic essay on plants

There are many living creatures that God Almighty created in this universe, which are represented in humans, animals and plants, and we find that each of these creatures has an important function that God created in order to do it, which cannot be dispensed with, and since plants are among the These creatures created in this universe, some of which reproduce sexually and others asexually, in addition to being an important source of food for humans and some types of animals, and from the context of the conversation, we find that plants are necessary to maintain the survival and continuity of living organisms alive.

Essay topic about plants

After it was identified what plants are and that they are among the necessary creatures in this universe, which have an essential function in the survival of the organism, sometimes we find that they are responsible for the breathing process by absorbing carbon dioxide and excreting the oxygen gas that humans breathe through, and sometimes we find Some of their types are the source of food for some creatures, including animals, and in response to this, an explanation of some important scientific terms for plants will be reviewed, including the following:[2]

Essay topic about plants

plants parts

Plants consist of several parts, as follows:

plants parts

  • trim: It is the main part of the plant and is responsible for stabilizing the plant and maintaining its life. It also absorbs water and minerals from the soil and delivers it to the plant. It is also considered a storehouse of sugars and carbohydrates, and it is a variety of types that vary according to the type of plant, some of which reach the depths of the soil.
  • the legIt is the part that connects the root and the stem and helps in straightening the plant. Food is transmitted to the plant through it, including strong and soft types, and so on.
  • leavesIt is considered the most important part of the plant, as it is the part responsible for representing the photosynthesis process for making food, through the absorption of solar radiation, water, carbon dioxide, chlorophyll and the formation of glucose.
  • flowersIt is responsible for completing the process of reproduction and the formation of seeds, where the flowers contain male and female organs, pollen is transferred from the male to female organs and the fertilization process is completed by transferring insects and birds pollen to other flowers.
  • fruits: Known as the mature ovules, which protect the inner seeds of the fruit.
  • SeedsIt is the part concerned with reproduction and dispersal, as well as storing food for the fruit during its growth.

plant classification

After addressing the topic of an expression of plants, we see that there are many types of plants, which are difficult to enumerate, but scientists have classified plants into five basic categories:

  • seed plantsIt is the one in which reproduction is carried out through seeds, as well as it is abundant in gardens and fields, and bare-seeded plants are also included in it.
  • mossesThey are widespread plants, which tend to grow in moist and shaded places such as forests.
  • fernsThey are the ones that appeared in the prehistoric era, and they are abundant in wet places, along with them we find many sizes and types, some of which grow on water bodies, and some of them are found on land surfaces.
  • nicknamed the horse’s tailIt was called by this name as a metaphor for the similarity between it and the horse’s tail, as it is characterized by the small size of its leaves and the hollowness of its green stems.
  • The wolf manIt is one of the oldest plants and the first to spread on the surface of the earth. It is found in moderately warm places, as well as tropical regions. It is also distinguished by the fact that after a period of growth it preys on the place in which it is located, whether it is the land or the highlands.

For plants to obtain food,

characteristics of plants

Plants have some characteristics that distinguish them from other living organisms, including the following:

  • Carrying out the process of photosynthesis, in which sunlight and dioxide gas are absorbed and converted to glucose, and this is done by the chloroplasts in the leaves.
  • They are all multicellular, as there is no unicellular plant.
  • The nucleus of their cells contains (DNA), so they are eukaryotes.

natural plant species

After what was explained about the topic of an expression of plants, we may find that there are many types of plants on the surface of the globe that cannot be counted, but scientists have worked hard to know some of their types, which can be divided in terms of the nature of growth, the way in which they grow and genetic factors into Several types, including herbs, trees, creeping plants, climbers, and finally shrubs, and natural plants can be classified into two basic types under which some other types fall, and in application of that, these types will be listed in the following:

natural plant species

Forests

Forests cover 10% of the Earth’s area, and they are the places where trees are abundant and they are in the tropics and located in North America, which is characterized by high soil moisture, as well as heavy rainfall, and its temperature rises during the year only one month.

weeds

It grows in large and wide areas where seasonal rains are available. It also needs a warm place and grows next to trees. Weeds are divided into several types, including:

  • savannah grassIt is distinguished by its length and density, and its locations in South America.
  • short step weedsOne of its characteristics is that it is short and broad.
  • Tundra weeds: It is widespread in the plains that do not contain trees.
  • desert weeds: It is found in desert areas where rain is scarce.

The importance of the plant

God created the universe and broadcast in it many types of living creatures. God did not create anything in vain. Rather, each of these creatures has a vital functional and an important role to play in the cosmic life. Among these creatures we find plants, whose importance can be clarified in preserving the existing natural resources. The universe, in addition to that, it helps protect the atmosphere from pollution, as it is the main source for the production of oxygen and food for most creatures, and the preservation of environmental diversity, as well as providing humans with many of the needs of life.

In the life cycle of seed plants, reproduction is carried out by

The dangers to plants

Man is one of the first causes that lead to the destruction of the environment, as he performs some activities that in turn can affect the environment and work to destroy it. Examples of these activities that represent a threat to the life of plants are the following:

  • Overgrazing risk: This is done by grazing animals in areas where there are some plants, which leads to their destruction and not growing again.
  • Dredging problem: By razing agricultural lands and replacing them with concrete buildings, which exposes them to destruction and reduces their area.
  • irrigation: It occurs when irrigation is carried out using traditional methods, which results in damage to the weeds.
  • fire: Humans may set fires in dense forests full of plants, as the fire moves to other places and destroys large areas of plants through the wind.
  • soil contamination: It is done by human dumping of harmful chemicals and burying them in the soil in which there are a large amount of plants.

The benefits of plants and their relationship to humans

There is a close relationship in which man is connected to plants, as man cannot give up the presence of plants in his life for several strong reasons, including the following:[2]

The benefits of plants and their relationship to humans

  • It is a source of food for all living creatures, whether human or animal, whether this nutrition is directly or indirectly, by providing some animals that humans feed on with food.
  • It works to provide some of the human needs of wood, oils, etc., and this is done through the use of some parts of plants in the manufacture of ships, furniture and other things that people need in their daily life.
  • It is an important source of oxygen that most creatures need in respiration, as it is excreted during photosynthesis.
  • It has a beautiful aesthetic view of the natural environment, which makes it an important source of attracting tourists to enjoy the attractive landscapes.
  • It is used in the manufacture of many foodstuffs, in addition to its entry into the pharmaceutical industry, which is replaced by chemical treatments.
  • Most vitamins are extracted from plants, as plants contain salts, minerals and proteins important for human health, in addition to containing carbohydrates important for growth and construction.
  • A source of heating, by burning wood that is extracted from trees.
  • It acts as the tool that fixes and delivers nitrogen to plants through the soil.
  • It helps protect humans from desertification, which is a huge environmental problem.
  • It is a source of income and money for many people, such as food traders and farmers.
  • Some giant tree species act as windbreaks, protecting the rest of the plants from perishing.

Conclusion topic essay on plants

Finally, after presenting the topic of an expression of plants, as well as clarifying their importance and the significant role they play in their relationship with humans, and in order to achieve all of the above, the conclusion is that the existence of plants is of great importance in the life of living organisms, as the preservation of plants has become One of the risks that threaten her life is something to be aware of, as it has recently been used to enter the pharmaceutical industry as an alternative to some chemical drugs.

Essay on plants pdf ready for printing

After this amount of important information about plants and everything related to them in terms of their types and importance, in addition to listing some dangers that may harm plants and threaten their life, we conclude that plants are living organisms that play a major role in human life in particular and the rest of the organisms Living things in general, we find that with the annihilation of plants, life perishes, as it is the main source of food and respiration by absorbing carbon dioxide and excreting the oxygen gas necessary for survival. It threatens his life and reduces his growth, and from the context of the conversation you can see all the details related to plants more clearly from “from here”.

How do plants live in the desert?

At the conclusion of this article, it has been addressed essay topic about plants, It has also been shedding light on the importance of plants, their types, as well as clarifying the human relationship with plants, as well as the dangers to which plants are exposed and threatening his life.

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