Species Definition & Criteria Quiz

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How do biologists define species?

A group of populations that have separate revolutionary paths

A group of populations that evolved independently

A group of populations that can interbreed (correct)

A group of populations that are reproductively isolated

What is the most widely used standard for defining species?

Observation

Separate revolutionary paths

Reproductive isolation (correct)

Evolutionary independence

What does the biological species concept ensure?

Evolutionary independence (correct)

Interbreeding between species

Reproductive isolation

Observation

Which of the following is an example of a courtship behavior that helps create behavioral isolation?

Male Reggiano bird of paradise displaying extravagant plumes Signup and view all the answers

What is the purpose of the release call made by female frogs?

To deter male frogs of the same species Signup and view all the answers

What is the current status of prokaryotic diversity?

Only a small fraction of prokaryotic diversity has been discovered Signup and view all the answers

Which definition of a species has been gaining adherence in recent years?

The phylogenetic species concept Signup and view all the answers

What does the phylogenetic species concept consider as a separate species?

Any group of organisms on a distinctive branch of the evolutionary tree Signup and view all the answers

What is the effect of rigorously applying the phylogenetic species concept?

It increases the number of recognized species Signup and view all the answers

Which of the following is true about the three domain system?

It is a system that classifies organisms into three domains. Signup and view all the answers

Why were the former African elephants divided into two species?

Genetic analysis revealed significant gene flow between the two groups of elephants. Signup and view all the answers

How often do changes in species designations occur among elephants?

Changes in species designations among elephants occur frequently. Signup and view all the answers

Species Definition & Criteria Quiz

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Questions and Answers

How do biologists define species?

What is the most widely used standard for defining species?

What does the biological species concept ensure?

Which of the following is an example of a courtship behavior that helps create behavioral isolation?

What is the purpose of the release call made by female frogs?

What is the current status of prokaryotic diversity?

Which definition of a species has been gaining adherence in recent years?

What does the phylogenetic species concept consider as a separate species?

What is the effect of rigorously applying the phylogenetic species concept?

Which of the following is true about the three domain system?

Why were the former African elephants divided into two species?

How often do changes in species designations occur among elephants?

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