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Questions and Answers
Which taxonomic group was developed to explain the evolutionary relationships between protists within the domain Eukarya?
Which taxonomic group was developed to explain the evolutionary relationships between protists within the domain Eukarya?
- Kingdom Protista
- Kingdom Plantae
- Supergroup (correct)
- Kingdom Fungi
What is the main reason for the traditional kingdom level of classification still being widely used within domain Eukarya?
What is the main reason for the traditional kingdom level of classification still being widely used within domain Eukarya?
- It is the most recently developed classification system
- It incorporates new research findings better
- It is simpler than the supergroup classification (correct)
- Protists all share the same evolutionary lineage
Which of the following is NOT one of the kingdoms of eukaryotes that evolved from protists?
Which of the following is NOT one of the kingdoms of eukaryotes that evolved from protists?
- Kingdom Animalia
- Kingdom Protista (correct)
- Kingdom Plantae
- Kingdom Fungi
What distinguishes animals (kingdom Animalia) from plants (kingdom Plantae) and fungi (kingdom Fungi)?
What distinguishes animals (kingdom Animalia) from plants (kingdom Plantae) and fungi (kingdom Fungi)?
Which kingdom includes familiar molds and mushrooms that aid in decomposing dead organisms?
Which kingdom includes familiar molds and mushrooms that aid in decomposing dead organisms?
Why was the classification of domain Eukarya divided into supergroups based on new research findings?
Why was the classification of domain Eukarya divided into supergroups based on new research findings?
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Study Notes
Classification of Domain Eukarya
- Historically, domain Eukarya was divided into four kingdoms, but better DNA analysis techniques revealed multiple evolutionary paths.
- The development of supergroups explains these relationships, with six supergroups currently recognized.
Traditional Kingdom Classification
- The traditional kingdom level classification is still widely used, often beneath supergroup classification.
- Protists (kingdom Protista) are a diverse group, ranging from single-celled to a few multicellular organisms.
- Some protists use photosynthesis, while others acquire their own food.
- Examples of protists include algae, protozoans, and water molds.
Other Eukaryotic Kingdoms
Kingdom Plantae
- Plants are multicellular, photosynthetic organisms.
- Examples of plants include azaleas, zinnias, and pines.
Kingdom Fungi
- Fungi are organisms that help decompose dead organisms.
- Examples of fungi include molds and mushrooms.
Kingdom Animalia
- Animals are multicellular organisms that must ingest and process their food.
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