- #1
Chardo
- 6
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why is photosynthesis and respiration is important in plants and animals
Spirochete said:You got to be kidding me
Photosynthesis is the process by which plants, algae, and some bacteria convert light energy from the sun into chemical energy in the form of glucose. This process is essential for sustaining life on Earth as it produces oxygen and food for organisms to survive.
Photosynthesis involves two main stages: the light-dependent reactions and the light-independent reactions. In the light-dependent reactions, light energy is absorbed by pigments in the plant's chloroplasts, which then converts it into chemical energy in the form of ATP and NADPH. The light-independent reactions use the energy from ATP and NADPH to convert carbon dioxide into glucose, which can be used by the plant for energy and growth.
The three main components necessary for photosynthesis are light, water, and carbon dioxide. Light is needed to provide energy for the process, while water is used as a source of hydrogen atoms to combine with carbon dioxide to make glucose. Carbon dioxide is the source of carbon needed for the production of glucose.
Chlorophyll is a green pigment found in the chloroplasts of plants that is responsible for absorbing light energy during photosynthesis. It absorbs mainly red and blue wavelengths of light and reflects green light, giving plants their green color. Without chlorophyll, plants would not be able to absorb the light energy needed to carry out photosynthesis.
Photosynthesis plays a crucial role in the environment as it is responsible for producing oxygen, which is essential for all living organisms to survive. It also helps to reduce the levels of carbon dioxide in the atmosphere, which is a major contributor to climate change. Additionally, photosynthesis is the foundation of the food chain as it produces glucose, which is used by plants and other organisms for energy and growth.