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HomeHomework HelpbiologyChemosynthesis

Chemosynthesis

Chemosynthesis is the process by which certain organisms, such as bacteria, convert inorganic compounds (often in the absence of sunlight) into organic matter using chemical energy derived from the oxidation of substances like hydrogen sulfide or methane. This process is essential for sustaining life in environments where sunlight is not available, such as deep-sea hydrothermal vents.

intermediate
2 hours
Biology
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Overview

Chemosynthesis is a vital biological process that allows certain organisms to convert inorganic compounds into organic matter, using energy derived from chemical reactions rather than sunlight. This process is essential for life in extreme environments, such as deep-sea hydrothermal vents, where sun...

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Key Terms

Chemosynthesis
The process of converting carbon molecules into organic matter using energy from inorganic compounds.

Example: Certain bacteria in deep-sea vents use chemosynthesis to produce food.

Inorganic Compounds
Chemical compounds that do not contain carbon-hydrogen bonds, often used in chemosynthesis.

Example: Hydrogen sulfide is an inorganic compound used by some chemosynthetic bacteria.

Microbial Life
Life forms that are microscopic, including bacteria and archaea, many of which can perform chemosynthesis.

Example: Microbial life in hydrothermal vents relies on chemosynthesis for energy.

Ecosystem
A community of living organisms interacting with their environment.

Example: The deep-sea ecosystem is home to chemosynthetic organisms.

Photosynthesis
The process by which plants and some microorganisms convert light energy into chemical energy.

Example: Plants use photosynthesis to create food from sunlight.

Hydrothermal Vents
Underwater geysers that emit hot, mineral-rich water, often hosting chemosynthetic communities.

Example: Hydrothermal vents are rich in chemosynthetic bacteria.

Related Topics

Photosynthesis
The process by which plants convert sunlight into energy, contrasting with chemosynthesis.
beginner
Microbial Ecology
The study of microorganisms in their natural environments, including their roles in ecosystems.
intermediate
Astrobiology
The study of life in the universe, including the potential for chemosynthesis on other planets.
advanced

Key Concepts

Energy conversionInorganic compoundsMicrobial lifeEcosystem roles