An animal with a rigid backbone would belong to which phylum?
A) genus
B) mammalian
C) primates
D) species
E) chordate
Correct Answer:
Verified
Q13: The first multicellular eukaryotic organisms to use
Q14: If two organisms are placed in the
Q15: According to scientists,how many species exist on
Q16: Which statement is false?
A) All organisms belong
Q17: Which molecules have not been synthesized from
Q19: The evolutionary history of an organism is
Q20: Which of these would be used to
Q21: Which CANNOT be accurately dated using radiometric
Q22: Which element has the longest half-life?
A) rubidium-87
B)
Q23: The half-life of carbon-14 is _ years.
A)
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