By far the largest number of extant fish species on Earth have
A) lungs capable of extracting oxygen from air.
B) a cartilaginous skeleton.
C) a long tail used for grasping onto structures.
D) an operculum and swim bladder.
Correct Answer:
Verified
Q39: Hominin fossil footprints that are obviously bipedal
Q40: Jaws appear to have evolved from
A)the fusion
Q41: Which of the following organisms is a
Q42: The hominin group includes .
A)all anthropoids.
B)Homo sapiens
Q43: Of the over 18,000 new species described
Q45: appears to have been the first hominin
Q46: Neanderthals are best described as
A)direct ancestors to
Q47: Compared to other primates,anthropoids have
A)a decreased reliance
Q48: The fossil "hobbits" discovered in Indonesia may
Q49: According to this figure,which species lived concurrently
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