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Vertebrate evolution

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Wize University Biology Textbook > Craniates (Developed Heads)

Vertebrata (Vertebrates)

3 Activities

Wize University Biology Textbook > Craniates (Developed Heads)

Gnathostomes (Jawed Fish)

4 Activities

Wize University Biology Textbook > Tetrapods (Four Limbs)

Overview of Tetrapods

3 Activities


Match the taxa to the synapomorphy (shared derived traits).

A.
Scales with hard keratin
B.
amniotic egg
C.
fur
D.
Jaw
E.
notochord
F.
cranium
G.
pharyngeal gill slits
H.
limbs
I.
lobed fins
Vertebrata
Gnathostomata
Amniota
Reptilia
Mammalia
Deuterostome
Chordata
Sarcopterygii
Tetrapoda
More Vertebrata (Vertebrates) Questions:
Vertebrate evolution

Which of the following is a characteristic shared by living vertebrates?
What structure is analogous to the human vertebrae?
More Gnathostomes (Jawed Fish) Questions:
Which of the following terms describes a species who lays eggs that hatch outside their mother’s body?
Vertebrate evolution

The common ancestor of the Gnathostomates had what important derived trait?
How do sharks gain buoyancy?
Which of the following terms describes a species who lays eggs that hatch outside their mother’s body?
Which of the following is a characteristic shared by living vertebrates?
Where might Gnathosome jaws have evolved from?
How do sharks remain buoyant?
Vertebrates (except for hagfish) have a minimum of how many hox genes?
More Overview of Tetrapods Questions:
Vertebrate evolution

Which is not a characteristic of tetrapods?
What do embryonic pharyngeal slits develop into in adult tetrapods?