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Importance of Photosynthesis

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Questions and Answers

What is the primary role of algae in the ecosystem?

Serving as food for animals

Transforming light energy into chemical energy (correct)

Producing fossil fuels

Converting carbon dioxide into oxygen

Which organisms are capable of photosynthesis?

Cyanobacteria and sulfur bacteria (correct)

Animals

Chemosynthetic bacteria

Sea slugs

What happens if photosynthesis were to stop?

The carbon dioxide concentration would decrease

Earth's atmosphere would become denser

There would be more oxygen than needed

Most organisms would disappear (correct)

How are fossil fuels related to photosynthesis?

Energy produced by past photosynthesis contributes to fossil fuels Signup and view all the answers

What is the consequence of modern civilization's rapid use of photosynthetic production?

Rapid return of carbon dioxide to the atmosphere Signup and view all the answers

What distinguishes chemosynthetic bacteria from other organisms?

They utilize the energy of certain inorganic compounds Signup and view all the answers

What would happen if photosynthesis ceased on Earth?

Food and organic matter would diminish, leading to the disappearance of most organisms. Signup and view all the answers

Why are photosynthetic organisms considered as primary producers?

Because they capture light energy to convert it into food and oxygen. Signup and view all the answers

Which molecules are the reactants in the process of photosynthesis?

6CO2 and 6H2O Signup and view all the answers

What role does chlorophyll play in photosynthesis?

Captures light energy for the conversion of reactants into products. Signup and view all the answers

Which group of organisms can perform photosynthesis?

Eukaryotic and prokaryotic organisms Signup and view all the answers

What would be the impact on Earth's atmosphere if photosynthesis stopped?

The gaseous oxygen levels would deplete over time. Signup and view all the answers