Photosynthesis As A Biological Process

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Table of Contents

Introduction
Discussion
Conclusion
References

Introduction

Photosynthesis is a biological process in which plants utilize the available carbon dioxide in the atmosphere to give out oxygen. There is also the presence of a green pigment called chlorophyll is involved in the transfer of unutilized energy to utilizable chemical energy. Mostly the process of photosynthesis involves the utilization of water to release oxygen that we depend on for our lives. Plants which are the only photosynthetic organism to have leaves are viewed as a solar collector packed with photosynthetic cells. For this process to occur, the following raw material should be available; water and carbon dioxide which after entering the leaf cell it produces oxygen found in the atmosphere. During the process water from the soil is taken up by the roots all the way to the leaves via the xylem. In order for the plants not to dry out they use the stoma so that they can exchange gases. Stomata are the only way in which oxygen can get their way out of the leaf. However during this process a great amount of water is lost. This can be witnessed by the cottonwood trees in dry seasons by loosing a total of 100 gallons daily(Kramer & Kozlowski, 1960).

Discussion

When you consider this process we can classify plants to be carbon sinks because they play a great role of utilizing the carbon dioxide found in oceans and atmosphere. Plants are also involved in production of carbon dioxide through respiration and used by photosynthesis they too convert energy absorbed from the sunlight into chemical energy with covalent bonds and other carbon dioxide sources includes animals. Carbonates in the ocean are formed so that they can balance the presence carbon dioxide and oxygen in the atmosphere. (Smith, 1984).

Carbon dioxide plays different roles in the plants life cycle. Though in many debates it has never been revealed how higher level of carbon dioxide will benefit the Earth. This is true because food crops, flowers and trees depend mostly on carbon dioxide. According to the Voluminous scientist, evidence shows that when the amount of carbon dioxide in the atmosphere rises above the current level the rate of plant growth will increase and enlarge due to more efficient photosynthesis and reduced water loss. Extreme temperatures will not harm plants, there will be faster growth rates and pollutants and excessive nutrients will not injure plants. Increased carbon dioxide in the atmosphere is projected to increase plant productivity, increases the size of a leaf and thickness, the heights of a stem and seed production. This will also lead to an increase in the both numbers and sizes of fruits and flowers (Smith, 1984).

It is also important to note that, though plants through the process of photosynthesis produces oxygen, they will only survive for a few days without oxygen even if everything is provided. If this goes on for sometimes they cannot stay alive. Plants differ from animals due to their abilities to make their own nutrients through the process of photosynthesis. Through this carbohydrates is produced and it’s broken down by plants to get energy. During this process food is created and a reaction is needed so that the created food can be broken down into usable form, and this process requires oxygen, water and nutrients (Wittwer, 1992).

The above discussed can also be applied to people where by they cannot survive without plants. Plants and animals are the two main kingdoms of life. The Earth consists of more than 300,000 species of plant and they can create their own food by means of energy from sunlight. All oxygen is generated by plants. They also make life on the Earth possible by providing humans with food as well as building material. This plant kingdom has different species which can be grouped into; mosses and liverworts, ferns, cone plants and flowering plants (Wittwer, 1992).

According to me life is made possible by plants for example forests and grasslands which supplies oxygen. According Scientists and conservationists if deforestation goes on without control the survival system on the Earth will be injured. In addition to this plants also act as source of food to the people for example fruits, leaves, roots and tuber, seeds and barks too. Plants can also be seen contributing to the survival of the people whereby they make seeds which are transported to different places of the world spreading it. They are sources of energy, People also depend on plants by exchanging gifts in form of flowers, plants be of assistance when it comes to people surviving the harsh conditions.

Plants reduce the amount of noise in the urban setting and add the aesthetic value to the environment. They also contribute towards the ecology of an area by their roots stabilizing the soils which prevent soil erosion. They also reduce the speed of wind which is mostly used by farmers and provide them with income.

Conclusion

With all this, I would conclude that it will be impossible to say that people can survive without plants. This is so because people need oxygen, food, shelter, building material et cetera which is provided by plants. Therefore I will urge everyone to protect all the trees found on Earth by avoiding degrading activities for example; deforestating and polluting forested areas. By doing so, we will be promoting a healthy life to everyone (Wittwer, 1992).

References

Kramer, P.J. & Kozlowski, T. (1960). Physiology of trees. New York, NY: McGraw Hill.

Smith, W.H. (1984). Pollutant uptake by plants: In air pollution and plant life. New York, NY: John Wiley.

Wittwer, S.H. (1992). Rising carbon dioxide is great for plants. Journal of Biology, 12(6), 1-9.

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Photosynthesis As A Biological Process

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