20 Questions
Which of the following best describes the relationship between legless lizards and snakes?
Legless lizards and snakes evolved independently from different lineages of lizards with legs.
What is the main reason that legless lizards have evolved into different groups?
They adapted to different environments.
What does phylogeny refer to?
The evolutionary history of a species or group of related species.
What is the main purpose of systematics?
To classify organisms based on their physical characteristics.
What does Figure 20.1 depict?
The convergent evolution of limbless bodies.
What is the main difference between legless lizards and snakes?
Legless lizards and snakes evolved from different lineages of lizards with legs.
What is the main focus of investigating the evolutionary history of life?
To examine the evolutionary relationships between species.
What does Figure 20.2 illustrate?
The convergent evolution of limbless bodies.
What is the main goal of systematics?
To classify organisms based on their physical characteristics.
What does the discipline of systematics involve?
The classification of organisms based on their physical characteristics.
Which field of science is responsible for the ordered division and naming of organisms?
Taxonomy
Which of the following is NOT a characteristic shared by closely related organisms?
Habitat
What did Carolus Linnaeus base his taxonomy system on?
Physical characteristics
What does binomial nomenclature refer to?
The two-part format of the scientific species name
What is the correct order of taxonomic groups from least to most inclusive?
Species, genus, family, order, class, phylum, kingdom
What is a taxon?
A named taxonomic unit at any level of the hierarchy
What is the first letter of the genus capitalized in binomial nomenclature?
Yes, it is capitalized
What is the correct format for writing a scientific species name in binomial nomenclature?
Genus name followed by species name
What are the two key features of Carolus Linnaeus' taxonomy system?
Binomial nomenclature and hierarchical classification
What is the correct term for a named taxonomic unit at any level of the hierarchy?
Taxon
Test your knowledge on the evolutionary history of legless lizards and snakes! Explore how these reptiles, although similar in appearance, have evolved from different lineages and adapted to similar environments. Discover fascinating facts about their independent evolution and the unique characteristics that make them distinct from their legged counterparts.
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