Why was the evolution of cyanobacteria such a significant event in Earth's history?

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

What is the next step in the process after a substrate enters the active site of an enzyme