The oldest fossils of eukaryotes have been estimated to be
A) 6000 years old.
B) 8 billion years old.
C) 4.5 billion years old.
D) 2.5 billion years olD.
E) 1995 years old.
Correct Answer:
Verified
Q4: Eukaryotic cells acquired mitochondria and chloroplasts by
A)endosymbiosis.
B)exocytosis.
C)pinocytosis.
D)mutation.
E)natural
Q22: The biological name of an organism in
Q23: Two principal organelles of eukaryotes that share
Q24: Eukaryotic organisms are classified into a total
Q25: The group that probably gave rise to
Q26: One of the theories about the origin
Q28: Kingdom Protista can be described as
A)monophyletic.
B)paraphyletic.
C)symphyletiC.
D)phylogenetic.
E)polyphyletic.
Q29: All living organisms share all of the
Q31: Of the following,the largest,most inclusive grouping in
Q32: One day while Dr.Rogers was working in
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