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Questions and Answers
What is the primary process through which autotrophic organisms produce food?
What is the primary process through which autotrophic organisms produce food?
- Photosynthesis (correct)
- Respiration
- Fermentation
- Digestion
Which of the following describes chemosynthesis?
Which of the following describes chemosynthesis?
- Converting organic materials into energy without the need for sunlight
- Utilizing solar energy to convert carbon dioxide and water into glucose
- Breaking down food into simpler compounds for energy
- Extracting energy from chemical reactions involving inorganic substances (correct)
Which of these statements about autotrophic nutrition is true?
Which of these statements about autotrophic nutrition is true?
- Autotrophs can only live in the presence of sunlight
- Autotrophic organisms are unable to produce energy
- Autotrophs require organic nutrients to survive
- Autotrophs synthesize food using inorganic materials (correct)
What role do autotrophic organisms play in an ecosystem?
What role do autotrophic organisms play in an ecosystem?
Which type of autotrophy involves the use of sunlight?
Which type of autotrophy involves the use of sunlight?
Flashcards
Nutrition
Nutrition
The process by which living organisms obtain or produce food to sustain life.
Autotrophs
Autotrophs
Organisms that can create their own food from inorganic substances.
Photosynthesis
Photosynthesis
The process of using sunlight, water, and carbon dioxide to produce food.
Chemosynthesis
Chemosynthesis
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Cellular Respiration
Cellular Respiration
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Study Notes
- Nutrition is the process by which living organisms obtain or make food.
Autotrophic Nutrition
- Autotrophs produce their own food from inorganic substances.
- Two main types of autotrophic nutrition are:
- Photosynthesis:
- Uses sunlight as an energy source.
- Converts carbon dioxide and water into glucose (sugar) and oxygen.
- Occurs in plants, algae, and some bacteria.
- The process involves a series of complex chemical reactions within chloroplasts.
- Chemosynthesis:
- Uses chemical energy from inorganic molecules as an energy source for creating their food.
- Different from photosynthesis in that it doesn't rely on sunlight.
- Some archaea and bacteria use chemosynthesis to produce food and energy.
- Examples include the oxidation of hydrogen sulfide to produce energy.
- Photosynthesis:
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