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Questions and Answers
What is the defining characteristic of protists?
Which domain do protists fall within?
What is the main characteristic of animal-like protists?
What type of protists are also known as 'protozoa'?
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What process do plant-like protists use to obtain nutrients?
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Which group of protists externally digest food and then absorb the nutrients?
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What is the evolutionary connection between cyanobacteria and red and green algae?
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What is the main characteristic of diatoms?
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What is the impact of some dinoflagellates on aquatic organisms?
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What is the ability of euglena in relation to obtaining nutrients?
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Study Notes
Characteristics of Protists
- The defining characteristic of protists is their diverse range of characteristics, making them difficult to classify.
Classification of Protists
- Protists fall within the domain Eukarya.
Animal-Like Protists
- The main characteristic of animal-like protists is their ability to obtain nutrients by consuming other organisms.
Protozoa
- Animal-like protists are also known as protozoa.
Plant-Like Protists
- Plant-like protists use photosynthesis to obtain nutrients.
Fungus-Like Protists
- Fungus-like protists, such as slime molds and water molds, externally digest food and then absorb the nutrients.
Evolutionary Connection
- Cyanobacteria are the evolutionary ancestors of red and green algae.
Diatoms
- The main characteristic of diatoms is their cell walls, which are made of silica.
Dinoflagellates
- Some dinoflagellates produce toxins that can be harmful to aquatic organisms.
Euglena
- Euglena have the ability to obtain nutrients through both photosynthesis and consuming other organisms.
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Description
Test your knowledge on the cellular structure and classification of protists, eukaryotic organisms that don't fit within the plant, animal, or fungi kingdoms. Learn about their eukaryotic nature, mostly unicellular composition, and preference for aquatic environments.
