Question

plants, then the rate of photosynthesis is ____. if it is in the __, there is no photosynthesis at all. if the plant is in an area with a high light intensity, e.g. a greenhouse with artificial lights, the rate of photosynthesis __. 2) carbon dioxide ____: carbon dioxide is a ____ of photosynthesis – it is required for the reaction to happen. normally the

Explanation:

To solve this fill - in - the - blank problem about photosynthesis, we analyze it based on the knowledge of photosynthesis in Biology:

For the first part (light - related)

• The first blank (about light intensity decrease): When the light intensity for plants decreases, the rate of photosynthesis will also decrease. This is because light is an energy source for photosynthesis. With less light energy available, the photosynthetic reactions slow down.
• The second blank (no photosynthesis condition): If a plant is in the dark, there is no photosynthesis at all. Since photosynthesis requires light energy to drive the process, in the absence of light (darkness), the light - dependent reactions of photosynthesis cannot occur, and thus the whole photosynthetic process stops.
• The third blank (high light intensity): If a plant is in an area with high light intensity (like a greenhouse with artificial lights), the rate of photosynthesis increases (up to a certain point, after which other factors like carbon dioxide or temperature may become limiting). Higher light intensity provides more energy for the light - dependent reactions, which can then support a faster rate of the overall photosynthesis process.

For the second part (carbon dioxide - related)

• The first blank (carbon dioxide's role description): Carbon dioxide concentration is a factor that affects photosynthesis. So the first blank can be filled with "concentration".
• The second blank (carbon dioxide as a reactant): Carbon dioxide is a reactant of photosynthesis. The overall equation of photosynthesis is $6CO_2 + 6H_2O\xrightarrow[Chlorophyll]{Light}C_6H_{12}O_6+6O_2$, and from this equation, we can see that carbon dioxide is one of the starting materials (reactants) for the photosynthetic reaction.

Final Answers (filling the blanks in order)

1. For the light - related blanks:

• First blank: decreased
• Second blank: dark
• Third blank: increases

1. For the carbon dioxide - related blanks:

• First blank: concentration
• Second blank: reactant

Answer:

To solve this fill - in - the - blank problem about photosynthesis, we analyze it based on the knowledge of photosynthesis in Biology:

For the first part (light - related)

• The first blank (about light intensity decrease): When the light intensity for plants decreases, the rate of photosynthesis will also decrease. This is because light is an energy source for photosynthesis. With less light energy available, the photosynthetic reactions slow down.
• The second blank (no photosynthesis condition): If a plant is in the dark, there is no photosynthesis at all. Since photosynthesis requires light energy to drive the process, in the absence of light (darkness), the light - dependent reactions of photosynthesis cannot occur, and thus the whole photosynthetic process stops.
• The third blank (high light intensity): If a plant is in an area with high light intensity (like a greenhouse with artificial lights), the rate of photosynthesis increases (up to a certain point, after which other factors like carbon dioxide or temperature may become limiting). Higher light intensity provides more energy for the light - dependent reactions, which can then support a faster rate of the overall photosynthesis process.

For the second part (carbon dioxide - related)

• The first blank (carbon dioxide's role description): Carbon dioxide concentration is a factor that affects photosynthesis. So the first blank can be filled with "concentration".
• The second blank (carbon dioxide as a reactant): Carbon dioxide is a reactant of photosynthesis. The overall equation of photosynthesis is $6CO_2 + 6H_2O\xrightarrow[Chlorophyll]{Light}C_6H_{12}O_6+6O_2$, and from this equation, we can see that carbon dioxide is one of the starting materials (reactants) for the photosynthetic reaction.

Final Answers (filling the blanks in order)

1. For the light - related blanks:

• First blank: decreased
• Second blank: dark
• Third blank: increases

1. For the carbon dioxide - related blanks:

• First blank: concentration
• Second blank: reactant