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    Life The Science of Biology Study Set 1
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    Exam 50: Circulatory Systems
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    Suppose a Paleontologist Finds a Fragment of a Fossilized Vertebrate
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Suppose a Paleontologist Finds a Fragment of a Fossilized Vertebrate

Question 30

Question 30

Multiple Choice

Suppose a paleontologist finds a fragment of a fossilized vertebrate that indicates that the animal had a three-chambered heart. The animal could be a(n)


A) tuna.
B) salamander.
C) crocodile.
D) eagle.
E) Both b and c

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