Which of these is not a characteristic of fishes?
A) Gills
B) Nutritional deficiencies
C) Pulmonary veins
D) Single-loop blood circulation
Correct Answer:
Verified
Q7: The first reptiles were the sail-toting:
A)pelycosaurs
B)thecodonts
C)therapsids
D)dinosaurs
Q8: Choose the largest block of time.
A)Era
B)Epoch
C)Period
D)Age
Q9: The very first vertebrates were:
A)cartilaginous fish
B)fishes with
Q10: The type of fish represented by the
Q11: Reptiles were better adapted to land than
Q13: The first vertebrates to invade land were:
A)amphibians
B)birds
C)reptiles
D)arthropods
Q14: Mammals that have live births but continue
Q15: When did the major evolutionary expansion of
Q16: Almost all organisms alive today evolved from
Q17: What was the climate like during the
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