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Chordates Quiz

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Questions and Answers

What is a characteristic that separates chordates from all other animals?

Blastopore, which becomes the anus

Post-anal tail (correct)

Bilateral symmetry

True coelom

Which extant chordates are postulated to be most like the earliest chordates in appearance?

Lancelets (correct)

Amphibians

Reptiles

Adult tunicates

What did chordate pharyngeal slits appear to have functioned first as?

Components of the jaw

The digestive system's opening

Gill slits for respiration

Suspension-feeding devices (correct)

A new species of aquatic chordate closely resembles an ancient form. In addition to the given characteristics, it will probably have which of the following characteristics?

<p>No jaws</p> Signup and view all the answers

How do lampreys differ from hagfishes?

<p>Having pharyngeal clefts that develop into pharyngeal slits</p> Signup and view all the answers

Chordates Quiz

Choose a study mode

Podcast

Questions and Answers

What is a characteristic that separates chordates from all other animals?

Which extant chordates are postulated to be most like the earliest chordates in appearance?

What did chordate pharyngeal slits appear to have functioned first as?

A new species of aquatic chordate closely resembles an ancient form. In addition to the given characteristics, it will probably have which of the following characteristics?

How do lampreys differ from hagfishes?

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Chordate Phylogeny and Its Origins

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