In Setting Up a Lab for a General Biology Course,you

Multiple Choice

In setting up a lab for a General Biology course,you are asked to match labels with a timeline on the wall.For "First Cells," you need to find a point on the timeline

A) 500 million years ago.
B) 1.2 billion years ago.
C) two billion years ago.
D) six billion years ago.
E) four billion years ago.