Biology: Taxonomy and Classification

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Which kingdom consists of organisms with cells that have cell walls made of chitin?

Kingdom Plantae

Kingdom Fungi (correct)

Kingdom Protista

Kingdom Animalia

Which characteristic is shared by all members of the Kingdom Animalia?

Multicellular organization

Some type of symmetry (correct)

Presence of cell walls

Autotrophic nutrition

Which kingdom includes organisms that can be both autotrophic and heterotrophic?

Kingdom Plantae

Kingdom Animalia

Kingdom Archaebacteria

Kingdom Protista (correct)

What is the primary goal of a taxonomic system?

To show ancestor-descendant relationships and facilitate information retrieval (A) Signup and view all the answers

Which kingdom is characterized by the presence of cell walls made of peptidoglycan?

Kingdom Eubacteria (D) Signup and view all the answers

What is unique about the environments inhabited by Archaebacteria?

They thrive in extreme conditions, such as salty lakes and hot springs (D) Signup and view all the answers

What is the primary reason for classifying organisms in taxonomy?

To keep track of species and have practical names (B) Signup and view all the answers

What is the purpose of varieties in taxonomy?

To further split a species into more specific groups (D) Signup and view all the answers

What is the significance of Aristotle's contribution to taxonomy?

He developed the first universally accepted system of classification (B) Signup and view all the answers

What is the advantage of using scientific names in taxonomy?

It is easier to remember than descriptive phrases (D) Signup and view all the answers

What is the current estimated number of species on the planet according to taxonomy?

2.13 million (B) Signup and view all the answers

What is the primary purpose of grouping organisms based on their evolutionary relationships?

To provide a framework for studying the relationships among living and extinct species (A) Signup and view all the answers

What is the purpose of subspecies in taxonomy?

To identify variations of species that occur in different regions (D) Signup and view all the answers

Which of the following is a characteristic of a broader taxon?

It has more general characteristics and contains many species (B) Signup and view all the answers

What is the term for a group of organisms classified together based on their shared characteristics?

Taxon (C) Signup and view all the answers

What is the primary focus of modern taxonomists, expanding on Linnaeus's work?

Identifying the underlying evolutionary relationships of organisms (A) Signup and view all the answers

Why do biologists use a classification system to study the diversity of life?

To provide a framework for studying the relationships among living and extinct species (A) Signup and view all the answers

What is the ranking of organisms in taxa based on?

Their evolutionary relationships (D) Signup and view all the answers