Podcast
Questions and Answers
An organism that performs both autotrophic and heterotrophic nutrition would be classified as what?
An organism that performs both autotrophic and heterotrophic nutrition would be classified as what?
- A parasite
- Holozoic
- Mixotrophic (correct)
- A saprophyte
Which of the following best illustrates the core difference between autotrophic and heterotrophic nutrition?
Which of the following best illustrates the core difference between autotrophic and heterotrophic nutrition?
- Autotrophs require oxygen; heterotrophs do not.
- Heterotrophs use sunlight; autotrophs use chemical energy.
- Heterotrophs consume inorganic matter, whereas autotrophs consume organic matter.
- Autotrophs synthesize their own food; heterotrophs obtain food from external sources. (correct)
Consider a newly discovered organism that contains chloroplasts but also consumes organic matter. Which type of nutrition does this organism exhibit?
Consider a newly discovered organism that contains chloroplasts but also consumes organic matter. Which type of nutrition does this organism exhibit?
- Purely autotrophic
- Purely heterotrophic
- Mixotrophic (correct)
- Saprophytic
If an artificial ecosystem is created where organisms can only obtain energy from inorganic compounds, which type of organisms would be best suited to survive?
If an artificial ecosystem is created where organisms can only obtain energy from inorganic compounds, which type of organisms would be best suited to survive?
A certain unicellular organism is found to ingest solid food particles but also contains chlorophyll. How would this organism be classified nutritionally?
A certain unicellular organism is found to ingest solid food particles but also contains chlorophyll. How would this organism be classified nutritionally?
Flashcards
Life Processes
Life Processes
Essential processes necessary for an organism's survival, including nutrition, respiration, and reproduction.
Nutrition
Nutrition
The process of taking in food and converting it into energy and nutrients needed for life.
Autotrophic Nutrition
Autotrophic Nutrition
Organisms that utilize simple inorganic substances to synthesize their own food using sunlight.
Heterotrophic Nutrition
Heterotrophic Nutrition
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Mixotrophic Nutrition
Mixotrophic Nutrition
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Study Notes
Life Processes - Nutrition
- Nutrition is the process of taking in food and converting it into energy and essential nutrients for life
- Life processes are those essential for an organism to survive on Earth
- Autotrophic nutrition: Organisms that can synthesize their own food using simple inorganic compounds like water and CO2. They use sunlight or another energy source to create food and are also called producers
- Example: Plants use sunlight and chlorophyll for photosynthesis to make food
- Heterotrophic nutrition: Organisms that cannot produce their own food and depend on other organisms for food. They obtain energy and nutrients by consuming other organisms
- Example: Animals consume plants or other animals for food
- Mixotrophic nutrition: Organisms capable of both autotrophic and heterotrophic nutrition. They can obtain energy from different sources.
- Example: Some protists can perform photosynthesis (autotrophy) and also consume other organisms (heterotrophy) for energy
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