The Significance of Photosynthesis and Respiration in Plants and Animals

In summary, photosynthesis and respiration are important in plants and animals because they are essential processes for sustaining life on Earth. Without respiration, nothing would be able to live, and without photosynthesis or chemosynthesis to provide fuel, respiration would not be possible. Therefore, these processes are crucial for the continuation of life on our planet.
  • #1
Chardo
6
0
why is photosynthesis and respiration is important in plants and animals
 
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  • #2
You got to be kidding me
 
  • #3
Spirochete said:
You got to be kidding me

why is something wrong with the question
 
  • #4
I think he means it sounds like homework. And belongs up there.

Plus, while there is nothing wrong with the question - it is akin to asking 'what is life?'

Basically, without respiration (aerobic or anaerobic) nothing would live on Earth as we know life. Second, without fuel provided ultimately by either photosynthesis or chemosynthesis ('hot vents in ocean floor' ecosystem), there could be no respiration. Hence no life - again.

See what I mean...
 

1. What is photosynthesis?

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.

2. How does photosynthesis work?

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.

3. What are the necessary components for photosynthesis to occur?

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.

4. What is the role of chlorophyll in photosynthesis?

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.

5. How does photosynthesis impact the environment?

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.

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