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What would happen if photosynthesis stopped ?

  1. Most plants make their own food by photosynthesis. If they stopped, they would die! If most plants die, animals that rely on such plants for food will also die
  2. All organisms except for anaerobes would die out and food(energy) will run out.

What is aerobes and anaerobes

  1. Anaerobic grow in the Absence of oxygen
  2. Aerobic grow in the presence of oxygen

What is photosynthesis

  1. Photosynthesis is a process by which plants make their own food in the presence of sunlight, carbon-dioxide present in air, water, minerals and chlorophyll present in leaves is termed as photosynthesis
  2. The process by which plants make their own food in the presence of sunlight, carbon-dioxide present in air, water, minerals and chlorophyll present in leaves is termed as photosynthesis.
  3. Photosynthetic organisms are photoautotrophs, which means that they are able to synthesize food directly from carbon dioxide and water using energy from light.


  1. Photosynthesis is usually represented by the equation 6 CO2 + 6 H2O + light –> C6H12O6 + 6 O2. During this process, organisms such as plants go through the light-dependent and light-independent reactions to convert carbon dioxide and water into sugars and oxygen.


  1. Chlorophyll is vital for photosynthesis, which allows plants to absorb energy from light.  Chlorophyll molecules are arranged in and around photosystems that are embedded in the thylakoid membranes of chloroplasts.


There are four types of chlorophyll:

  1. chlorophyll a, found in all higher plants, algae and cyanobacteria;
  2. chlorophyll b, found in higher plants and green algae;
  3. chlorophyll c, found in diatoms, dinoflagellates and brown algae; and
  4. chlorophyll d, found only in red algae.

Chlorophyll absorbs green wavelengths from the sun, which makes plants look green. Both photosynthesis and cellular respiration yield molecules used for energy.

However, photosynthesis produces the sugar glucose, which is an energy storage molecule. Cellular respiration takes the sugar and turns it into a form both plants and animals can use.

Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth’s atmosphere, and supplies most of the energy necessary for life on Earth.

Approximately 176 billion tons of carbohydrate in the form of glucose is produced by photosynthesis every year.

thank you


  1. In fact, every plant (lower or higher) is a small chemical factory 🙂 Thanks to photosynthesis, the energy of the sun has found one of it’s many ways to transform this energy to all living forms on earth. Afterwards, the same living form are transfered into other form of energy when they die. (oil, coal).

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  2. En los más de 3.500 millones de años transcurridos desde que apareció la vida, los autótrofos más exitosos (o sea, aquellos que han dejado la mayor cantidad de
    descendencia y se han diversificado en la mayor variedad de formas) han sido losque desarrollaron un sistema para hacer uso directo de la energía solar en el proceso de fotosíntesis. Con el advenimiento de la fotosíntesis, el flujo de energía
    en la biosfera asumió su forma dominante moderna: la energía radiante del Sol, canalizada por medio de los autótrofos fotosintéticos pasa a todas las otras formas de vida.

    Liked by 2 people

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