The first eukaryotes appear in the fossil record around __________years ago.
A) 3.4 billion
B) 1.5 billion
C) 850 million
D) 600 million
Correct Answer:
Verified
Q22: Adult stem cells are totipotent.
Q23: The Marine sea slug is commonly studied
Q24: Somatic cells _.
A) are the sex cells
B)
Q25: Tissues are comprised of _.
A) somatic cells
B)
Q26: Fossil prokaryotes appeared before eukaryotes.
Q28: The _ contains organelles.
A) prokaryote
B) nucleus
C) cytoplasm
D)
Q29: Multicellular organisms have dominated most of the
Q30: Prokaryotes are simple cells with just a
Q31: A single-celled organism with a nucleus is
Q32: In eukaryotes, the piece of cellular anatomy
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