31 Facts About Photosynthesis: Know How Plants Make Their Own Food!

Martha Martins
Oct 12, 2023 By Martha Martins
Originally Published on Nov 29, 2021
Facts about photosynthesis will help you to understand oxygen catastrophe.
Age: 3-18
Read time: 7.3 Min

The process of transforming light into energy is known as photosynthesis.

Plants and other species can use this natural process to produce food when it is needed. The chloroplasts of a plant's mesophyll cells are where the majority of photosynthesis takes place.

When the roots of a plant absorb water, photosynthesis takes place. The water is transferred to the leaves, which absorb carbon dioxide from the atmosphere. The carbon dioxide diffuses into the cells that contain chlorophyll. Chlorophyll is a green pigment that turns solar energy into a storable form that the plant can use as food when it is needed. Plants transform carbon dioxide into oxygen, which is then required for human life.

Producers are the only organisms that use light to generate the energy needed to manufacture their own food. Consumers, on the other hand, are organisms that eat producers to obtain energy. While plants are the most well-known and called producers, photosynthesis is also used by algae, cyanobacteria, and some protists.

All algae are living things and they derive their energy from the sun for photosynthesis. However, red algae are known to differ from other algae in that their cells lack flagella, which are long, whiplike outgrowths from cells that are utilized for motility and occasionally provide a sensory role. They are also not strictly plants, despite the fact that they utilize less chlorophyll for photosynthesis and have plant-like cell walls.

Algae and some single-celled creatures are photosynthetic living organisms. Most people are aware that the process of photosynthesis takes place in many plants and that they release oxygen that animals require to survive, but carbon fixation is also a vital part of the process. Carbon dioxide molecules are removed from the atmosphere by photosynthetic organisms. Life is supported by the transformation of carbon dioxide into oxygen. We release carbon dioxide into the air, and plants transform it into other organic compounds. 

While creatures exhale carbon dioxide, trees and algae serve as carbon sinks, removing the majority of the gas from the earth's atmosphere. Algae, as well as green plants and other bacterial species which are known as cyanobacteria, are the only organisms capable of photosynthesis and are called photosynthetic organisms. In addition to the six oxygen molecules, one molecule of glucose is also produced during photosynthesis.

After reading about photosynthesis facts, also check the Canadian maple tree and are algae plants.

Why is photosynthesis important?

Photosynthesis is the process of turning carbon dioxide and water molecules into carbohydrates, which are in the form of stored energy in the presence of sunshine (light energy) and chlorophyll. The sun's energy is turned into chemical energy in this process.

The primary source of food on the planet is photosynthesis. The process of photosynthesis is known to release more oxygen, which is necessary for life to survive. There will be no oxygen gas on the planet if photosynthesis does not occur. Herbivores and carnivores, parasites, predators, decomposers, and all life forms benefit from the chemical energy stored in green plants. Photosynthesis is a must for all higher creatures on this planet.

Photosynthesis reduces the greenhouse effect and global warming by fixing carbon dioxide and releasing oxygen. The warming of the earth's surface is caused by carbon dioxide radiation from the atmosphere. This raises the earth's temperature, causing the ice caps to melt and the sea level to rise. The threat of rising sea levels to coastal towns and islands is real.

Changes in habitat conditions caused by rising temperatures also result in a loss of biodiversity. Plants absorb carbon dioxide and water during photosynthesis, bringing the earth's temperature back into balance. Afforestation will contribute even more to this balance.

Where does photosynthesis take place?

Special pigments in photosynthetic cells absorb light energy. Different pigments react to light at different green wavelengths. The principal pigment in photosynthesis, chlorophyll, reflects green light and absorbs red and blue light most efficiently.

Thylakoid membranes are known to appear like stacks of coins in electron micrographs, despite the particular proven fact that the compartments they create are a connected form of a maze of chambers. The chlorophyll pigment is found within the thylakoid membrane, while the stroma is the globe between the thylakoid and chloroplast membranes. Chlorophyll is the most important pigment in photosynthesis. But there are multiple forms of chlorophyll and other light-responsive pigments, including brown, red, and blue pigments.

During photosynthesis, these pigments may aid in the transmission of sunshine energy to chlorophyll or protect cells from photo damage. For instance, the photosynthetic algae that protists state as dinoflagellates, which are liable for the 'red tides' that usually prompt warnings against eating shellfish, contain a ramification of light-sensitive pigments, including both chlorophyll molecules and the red pigments liable for their dramatic coloration, contain a diffusion of light-sensitive pigments, including both chlorophyll and the red pigments chargeable for their dramatic coloration.

Photosynthesis produces one sugar molecule and six oxygen molecules.

What does photosynthesis produce?

The process through which plants manufacture oxygen and energy in the form of sugar by mixing sunlight, water, and carbon dioxide is known as photosynthesis. Three elements are involved in photosynthesis: hydrogen, carbon, and oxygen. As you've seen, the results of photosynthesis include oxygen as well as glucose.

Photosynthesis is an essential process for the majority of life on Earth. Plants, algae, and some bacteria are involved in the process, which takes energy from the sun to produce oxygen (O2) and chemical energy stored in glucose (a sugar). Herbivores obtain their energy from plants, whereas predators obtain their energy from herbivores.

During the photosynthesis process, plants absorb water and carbon dioxide from the air and water through their leaves and from the soil through their roots. In the plant cells, water and carbon dioxide undergo a redox reaction where carbon dioxide gains electrons from the water molecule. And the CO2 is polymerized and converted to glucose while the water is turned into oxygen. After that, the plant emits oxygen into the atmosphere while storing energy in the glucose molecules.

Inside the plant cell, little organelles known as chloroplasts store the energy of sunlight. Chlorophyll, a light-absorbing pigment present within the thylakoid membranes of chloroplasts, is responsible for the plant's green color. The green color that we see is actually the color reflected by chlorophyll. The white sunlight, which is composed of red, green, and blue lights, falls on the chlorophyll. It absorbs only red and blue light, and green light is reflected back into our eyes, which gives the leaves their green appearance.

How does photosynthesis affect humans?

Humans tend to take in oxygen-rich air through our lungs. For ourselves and all other animals to survive, we need oxygen. When we take in oxygen, our bodies combine it with sugar we acquire from food to make energy, which allows us to be active.

Respiration is the name for this procedure. Both energy and a gas known as carbon dioxide are created during respiration. When we exhale, the carbon dioxide we make is discharged into the atmosphere. Unlike us, most plants create their own energy from the sun's light by absorbing carbon dioxide from the atmosphere and nutrients from the soil.

Plants are classified as producers because they generate their own energy without the help of other organisms. Plants are referred to as producers because they generate their own energy without the need to eat.

Photosynthesis is how they accomplish this. Photosynthesis occurs when plants absorb light from the sun and utilize it, together with carbon dioxide from the air and water from their roots, to generate sugars that can be used by the plant and oxygen that is subsequently released into the atmosphere.

Humans can breathe in the oxygen that was produced and survive again thanks to photosynthesis. The two processes that allow life to exist on Earth are photosynthesis and respiration.

Did You Know...

Light-Dependent Reactions Vs Non-Light-Dependent Reactions: While photosynthesis involves numerous phases, it can be divided into two categories: light-dependent reactions and light-independent reactions. The light-dependent process takes place within the thylakoid membrane and requires a steady flow of sunlight to function, thus the name. Chlorophyll absorbs light wavelength energy and turns it into chemical energy in the form of ATP and NADPH molecules. The Calvin Cycle, also known as the light-independent stage, occurs in the stroma, the space between the thylakoid and chloroplast membranes, and is light-independent, hence the name. Energy from the ATP and NADPH molecules is put to use in this cycle to create simple carbohydrate molecules of monosaccharides from carbon dioxide, such as glucose molecules and fructose.

Here at Kidadl, we have carefully created lots of interesting family-friendly facts for everyone to enjoy! If you liked our suggestions for 31 facts about photosynthesis and how plants make their own food, then why not take a look at how to introduce kitten and puppy or invertebrates examples.

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Written by Martha Martins

Bachelor of Arts specializing in Linguistics

Martha Martins picture

Martha MartinsBachelor of Arts specializing in Linguistics

Martha is a full-time creative writer, content strategist, and aspiring screenwriter who communicates complex thoughts and ideas effectively. She has completed her Bachelor's in Linguistics from Nasarawa State University. As an enthusiast of public relations and communication, Martha is well-prepared to substantially impact your organization as your next content writer and strategist. Her dedication to her craft and commitment to delivering high-quality work enables her to create compelling content that resonates with audiences.

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