Using the analogy of a 12-hour geologic time clock
a. prokaryotes appear shortly after 5 a.m.
b. eukaryotes appear at 9 a.m.
c. dinosaurs appear at 10 a.m.
d. early fishes appear at 11 a.m.
e. the first humans appear at 11:59 a.m.
Answer: e
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How did Renato Dulbecco determine that the repair of UV damage could be increased by exposure to visible light?
What will be an ideal response?
A ____________________ organism is one that carries a gene that has been transferred to it from
another species. Fill in the blank(s) with the appropriate word(s).
Rainfall is greater in temperate deciduous forests than in temperate shrublands and grasslands
Indicate whether the statement is true or false