Suppose a genie offers you a trip in a time machine, and you and a paleontologist go back 800 million years in Earth's history. Assuming you have all the appropriate tools to detect life, what should you expect to see?
A) Earth completely devoid of life
B) Unicellular organisms, but no multicellular organisms
C) Multicellular organisms, but no complex animals with bilateral symmetry
D) Complex animals with bilateral symmetry, but no mammals

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The Answer of Suppose a genie offers you a trip in a time machine, and you and a paleontologist go back 800 million years in Earth's history. Assuming you have all the appropriate tools to detect life, what should you expect to see?
A) Earth completely devoid of life
B) Unicellular organisms, but no multicellular organisms
C) Multicellular organisms, but no complex animals with bilateral symmetry
D) Complex animals with bilateral symmetry, but no mammals

Suppose a Genie Offers You a Trip in a Time