What is the original source of energy in a food web?

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.

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine