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Questions and Answers
Which of the following are external factors affecting photosynthesis? (Select all that apply)
Which of the following are external factors affecting photosynthesis? (Select all that apply)
Heterotrophs can manufacture their own food.
Heterotrophs can manufacture their own food.
False
What is the site of photosynthesis inside plant cells?
What is the site of photosynthesis inside plant cells?
Chloroplast
What do producers do in an ecosystem?
What do producers do in an ecosystem?
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The two main stages of photosynthesis are the ______ and ______ phases.
The two main stages of photosynthesis are the ______ and ______ phases.
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What effect does deforestation have on photosynthesis?
What effect does deforestation have on photosynthesis?
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Study Notes
Photosynthesis
- Photosynthesis is the process by which plants, some bacteria, and algae use sunlight to convert carbon dioxide and water into glucose, a type of sugar, and oxygen.
- Organisms that cannot produce their own food are called heterotrophs, and rely on consuming other organisms for energy.
- Certain organisms, like fungi, are heterotrophs, but also use photosynthesis to obtain some of their energy.
- Some bacteria can also use light energy to produce food using chlorophyll, referred to as photoautotrophs.
- The process of photosynthesis relies on various internal and external factors.
- Internal factors include the structure of the leaf.
- External factors include light intensity, temperature, and carbon dioxide concentration.
- The site of photosynthesis is the chloroplast within plant cells.
- Photosynthesis involves two main stages: the light-dependent reactions (light reactions) and the light-independent reactions (dark reactions).
- Deforestation can significantly affect the process of photosynthesis, as trees are vital for carbon dioxide absorption and oxygen production.
- Photosynthesis is a fundamental part of an ecological system, where producers (plants) convert energy, consumers obtain energy by consuming producers, and decomposers break down dead organisms, playing a critical role in nutrient cycling.
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Description
Explore the intricate process of photosynthesis, where plants, bacteria, and algae convert sunlight into energy. This quiz will cover the roles of various organisms, the internal and external factors affecting photosynthesis, as well as the stages involved in this vital process. Test your knowledge on how life on Earth relies on photosynthesis for energy.
