15 Questions
Which class do lungfish belong to?
Dipnoi
What is the main characteristic of lungfish within the Osteichthyes?
Ability to breathe air
What are the closest living relatives of tetrapods?
Lungfish
Where are the six known species of lungfish found today?
Africa, South America, Australia
When does the fossil record of lungfish extend back to?
Early Devonian
Which group of animals do lungfish represent the closest living relatives of?
Amphibians
Which of the following is a characteristic of lungfish within the Osteichthyes?
Ability to breathe air
Where are the current known species of lungfish found?
Africa
What is the etymology of the term 'lungfish'?
From the Latin word meaning 'breathing fish'
What do the mouths of lungfish typically bear?
Teeth
Lungfish are known for retaining ancestral characteristics within which two groups of vertebrates?
Osteichthyes and Sarcopterygii
How many known species of lungfish are there today?
Six
Where are the current known species of lungfish found?
Africa, South America, and Australia
When does the fossil record of lungfish extend back to?
Early Devonian, over 410 million years ago
What is the etymology of the term 'lungfish'?
Modern Latin from the Greek δίπνοος (dipnoos) with two breathing structures, from δι- twice and πνοή breathing, breath
Test your knowledge about lungfish and their unique characteristics in this quiz. Learn about their ability to breathe air, lobed fins, and their significance as the closest living relatives of tetrapods.
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