A 350 million-year-old fossil called Ichthyostega was
A) a lobe-finned fish that gave rise to the amphibians.
B) the earliest known tetrapod.
C) a lizard-like stem reptile.
D) a ray-finned fish that gave rise to the amphibians.
Correct Answer:
Verified
Q1: Evidence points to the ray-finned fishes (Actinopterygii)as
Q3: The Anura differ from the Caudata in
Q4: Some salamanders have neither lungs nor gills.
Q5: Some frogs tolerate ill effects of freezing
Q6: The decline in amphibian populations,particularly frogs,may be
Q7: Amphibians relied less on the lateral line
Q8: Most of our familiar frogs belong to
Q9: Although most amphibians have a larval metamorphosis
Q10: The mud puppy Necturus
A)does not have gills.
B)does
Q11: A characteristic of amphibians is
A)a mostly bony
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