Solved

Scientists Estimate That for More Than _______ Years After Cells

Question 129

Multiple Choice

Scientists estimate that for more than _______ years after cells originated, all organisms consisted of one cell.

A) 2,500
B) 250,000
C) 2 million
D) 2 billion
E) 2 trillion

Related Questions

Q124: In terms of increasing complexity, the order

Q125: Metabolism is<br>A) the consumption of energy.<br>B) the

Q126: Which scientific field is providing us with

Q127: Biologists can now isolate genes from organisms

Q128: A group of cells that work together

Q130: Which question cannot be answered by means

Q131: A cell<br>A) always contains a nucleus.<br>B) is

Q132: In which organisms have modern agricultural practices

Q133: Which is not a direct concern for

Q134: Which is not an effect of a