Birds have been observed puffing
up their feathers under certain
conditions. by trapping air
between feathers, this behavior
the bird do what?

What is a codon and where is it found

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.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16